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Finding the Fourth Proportional to 534,131.40, 801,197.10 and 473,478.60

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Solution

The fourth proportional to 534,131.40, 801,197.10 and 473,478.60 is: 710,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,131.40 : 801,197.10 = 473,478.60 : x
  2. Step 2: Convert to fraction form
    534,131.40/801,197.10 = 473,478.60/x
  3. Step 3: Cross multiply
    534,131.40x = 801,197.10 × 473,478.60
  4. Step 4: Simplify right side
    534,131.40x = 379,349,681,232.06
  5. Step 5: Solve for x
    x = 379,349,681,232.06/534,131.40
  6. Step 6: Final answer
    x = 710,217.90

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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.