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Finding the Fourth Proportional to 457,303.52, 684,726.48 and 372,716.96

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Solution

The fourth proportional to 457,303.52, 684,726.48 and 372,716.96 is: 558,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,303.52 : 684,726.48 = 372,716.96 : x
  2. Step 2: Convert to fraction form
    457,303.52/684,726.48 = 372,716.96/x
  3. Step 3: Cross multiply
    457,303.52x = 684,726.48 × 372,716.96
  4. Step 4: Simplify right side
    457,303.52x = 255,209,172,057.10
  5. Step 5: Solve for x
    x = 255,209,172,057.10/457,303.52
  6. Step 6: Final answer
    x = 558,073.93

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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.