Home / 784,848.56-1,083,298.10-462,773.20

Finding the Fourth Proportional to 784,848.56, 1,083,298.10 and 462,773.20

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Solution

The fourth proportional to 784,848.56, 1,083,298.10 and 462,773.20 is: 638,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,848.56 : 1,083,298.10 = 462,773.20 : x
  2. Step 2: Convert to fraction form
    784,848.56/1,083,298.10 = 462,773.20/x
  3. Step 3: Cross multiply
    784,848.56x = 1,083,298.10 × 462,773.20
  4. Step 4: Simplify right side
    784,848.56x = 501,321,328,290.92
  5. Step 5: Solve for x
    x = 501,321,328,290.92/784,848.56
  6. Step 6: Final answer
    x = 638,749.12

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.