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Finding the Fourth Proportional to 567,077.40, 850,616.10 and 283,642.20

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Solution

The fourth proportional to 567,077.40, 850,616.10 and 283,642.20 is: 425,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,077.40 : 850,616.10 = 283,642.20 : x
  2. Step 2: Convert to fraction form
    567,077.40/850,616.10 = 283,642.20/x
  3. Step 3: Cross multiply
    567,077.40x = 850,616.10 × 283,642.20
  4. Step 4: Simplify right side
    567,077.40x = 241,270,621,959.42
  5. Step 5: Solve for x
    x = 241,270,621,959.42/567,077.40
  6. Step 6: Final answer
    x = 425,463.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.