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Finding the Fourth Proportional to 488,596.80, 732,895.20 and 453,167.40

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Solution

The fourth proportional to 488,596.80, 732,895.20 and 453,167.40 is: 679,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,596.80 : 732,895.20 = 453,167.40 : x
  2. Step 2: Convert to fraction form
    488,596.80/732,895.20 = 453,167.40/x
  3. Step 3: Cross multiply
    488,596.80x = 732,895.20 × 453,167.40
  4. Step 4: Simplify right side
    488,596.80x = 332,124,212,256.48
  5. Step 5: Solve for x
    x = 332,124,212,256.48/488,596.80
  6. Step 6: Final answer
    x = 679,751.10

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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.