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Finding the Fourth Proportional to 710,351.10, 980,057.07 and 506,435.22

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Solution

The fourth proportional to 710,351.10, 980,057.07 and 506,435.22 is: 698,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,351.10 : 980,057.07 = 506,435.22 : x
  2. Step 2: Convert to fraction form
    710,351.10/980,057.07 = 506,435.22/x
  3. Step 3: Cross multiply
    710,351.10x = 980,057.07 × 506,435.22
  4. Step 4: Simplify right side
    710,351.10x = 496,335,417,858.01
  5. Step 5: Solve for x
    x = 496,335,417,858.01/710,351.10
  6. Step 6: Final answer
    x = 698,718.45

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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.