Home / 762,278.49-1,051,937.01-418,107.29

Finding the Fourth Proportional to 762,278.49, 1,051,937.01 and 418,107.29

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Solution

The fourth proportional to 762,278.49, 1,051,937.01 and 418,107.29 is: 576,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,278.49 : 1,051,937.01 = 418,107.29 : x
  2. Step 2: Convert to fraction form
    762,278.49/1,051,937.01 = 418,107.29/x
  3. Step 3: Cross multiply
    762,278.49x = 1,051,937.01 × 418,107.29
  4. Step 4: Simplify right side
    762,278.49x = 439,822,527,242.12
  5. Step 5: Solve for x
    x = 439,822,527,242.12/762,278.49
  6. Step 6: Final answer
    x = 576,984.05

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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.