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Finding the Fourth Proportional to 737,614.10, 1,106,421.15 and 488,296.10

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Solution

The fourth proportional to 737,614.10, 1,106,421.15 and 488,296.10 is: 732,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,614.10 : 1,106,421.15 = 488,296.10 : x
  2. Step 2: Convert to fraction form
    737,614.10/1,106,421.15 = 488,296.10/x
  3. Step 3: Cross multiply
    737,614.10x = 1,106,421.15 × 488,296.10
  4. Step 4: Simplify right side
    737,614.10x = 540,261,132,502.52
  5. Step 5: Solve for x
    x = 540,261,132,502.52/737,614.10
  6. Step 6: Final answer
    x = 732,444.15

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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.