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Finding the Fourth Proportional to 502,407, 752,674.55 and 249,399.45

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Solution

The fourth proportional to 502,407, 752,674.55 and 249,399.45 is: 373,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,407 : 752,674.55 = 249,399.45 : x
  2. Step 2: Convert to fraction form
    502,407/752,674.55 = 249,399.45/x
  3. Step 3: Cross multiply
    502,407x = 752,674.55 × 249,399.45
  4. Step 4: Simplify right side
    502,407x = 187,716,617,552.00
  5. Step 5: Solve for x
    x = 187,716,617,552.00/502,407
  6. Step 6: Final answer
    x = 373,634.56

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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.