Home / 747,355.50-1,031,350.59-445,549.50

Finding the Fourth Proportional to 747,355.50, 1,031,350.59 and 445,549.50

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Solution

The fourth proportional to 747,355.50, 1,031,350.59 and 445,549.50 is: 614,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,355.50 : 1,031,350.59 = 445,549.50 : x
  2. Step 2: Convert to fraction form
    747,355.50/1,031,350.59 = 445,549.50/x
  3. Step 3: Cross multiply
    747,355.50x = 1,031,350.59 × 445,549.50
  4. Step 4: Simplify right side
    747,355.50x = 459,517,739,699.21
  5. Step 5: Solve for x
    x = 459,517,739,699.21/747,355.50
  6. Step 6: Final answer
    x = 614,858.31

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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.