Home / 351,387.18-527,290.70-322,801.47

Finding the Fourth Proportional to 351,387.18, 527,290.70 and 322,801.47

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Solution

The fourth proportional to 351,387.18, 527,290.70 and 322,801.47 is: 484,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,387.18 : 527,290.70 = 322,801.47 : x
  2. Step 2: Convert to fraction form
    351,387.18/527,290.70 = 322,801.47/x
  3. Step 3: Cross multiply
    351,387.18x = 527,290.70 × 322,801.47
  4. Step 4: Simplify right side
    351,387.18x = 170,210,211,463.32
  5. Step 5: Solve for x
    x = 170,210,211,463.32/351,387.18
  6. Step 6: Final answer
    x = 484,395.05

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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.