Home / 627,426.64-941,041.14-521,490.79

Finding the Fourth Proportional to 627,426.64, 941,041.14 and 521,490.79

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Solution

The fourth proportional to 627,426.64, 941,041.14 and 521,490.79 is: 782,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,426.64 : 941,041.14 = 521,490.79 : x
  2. Step 2: Convert to fraction form
    627,426.64/941,041.14 = 521,490.79/x
  3. Step 3: Cross multiply
    627,426.64x = 941,041.14 × 521,490.79
  4. Step 4: Simplify right side
    627,426.64x = 490,744,287,521.10
  5. Step 5: Solve for x
    x = 490,744,287,521.10/627,426.64
  6. Step 6: Final answer
    x = 782,154.05

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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.