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Finding the Fourth Proportional to 567,292.10, 850,938.15 and 520,052.90

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Solution

The fourth proportional to 567,292.10, 850,938.15 and 520,052.90 is: 780,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,292.10 : 850,938.15 = 520,052.90 : x
  2. Step 2: Convert to fraction form
    567,292.10/850,938.15 = 520,052.90/x
  3. Step 3: Cross multiply
    567,292.10x = 850,938.15 × 520,052.90
  4. Step 4: Simplify right side
    567,292.10x = 442,532,852,628.14
  5. Step 5: Solve for x
    x = 442,532,852,628.14/567,292.10
  6. Step 6: Final answer
    x = 780,079.35

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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.