Home / 748,296.96-1,032,663.04-457,957.12

Finding the Fourth Proportional to 748,296.96, 1,032,663.04 and 457,957.12

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Solution

The fourth proportional to 748,296.96, 1,032,663.04 and 457,957.12 is: 631,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,296.96 : 1,032,663.04 = 457,957.12 : x
  2. Step 2: Convert to fraction form
    748,296.96/1,032,663.04 = 457,957.12/x
  3. Step 3: Cross multiply
    748,296.96x = 1,032,663.04 × 457,957.12
  4. Step 4: Simplify right side
    748,296.96x = 472,915,391,728.85
  5. Step 5: Solve for x
    x = 472,915,391,728.85/748,296.96
  6. Step 6: Final answer
    x = 631,988.93

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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.