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Finding the Fourth Proportional to 647,717.04, 972,417.50 and 498,062.43

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Solution

The fourth proportional to 647,717.04, 972,417.50 and 498,062.43 is: 747,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,717.04 : 972,417.50 = 498,062.43 : x
  2. Step 2: Convert to fraction form
    647,717.04/972,417.50 = 498,062.43/x
  3. Step 3: Cross multiply
    647,717.04x = 972,417.50 × 498,062.43
  4. Step 4: Simplify right side
    647,717.04x = 484,324,620,534.21
  5. Step 5: Solve for x
    x = 484,324,620,534.21/647,717.04
  6. Step 6: Final answer
    x = 747,741.05

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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.