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Finding the Fourth Proportional to 497,739.80, 746,609.70 and 123,762.80

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Solution

The fourth proportional to 497,739.80, 746,609.70 and 123,762.80 is: 185,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,739.80 : 746,609.70 = 123,762.80 : x
  2. Step 2: Convert to fraction form
    497,739.80/746,609.70 = 123,762.80/x
  3. Step 3: Cross multiply
    497,739.80x = 746,609.70 × 123,762.80
  4. Step 4: Simplify right side
    497,739.80x = 92,402,506,979.16
  5. Step 5: Solve for x
    x = 92,402,506,979.16/497,739.80
  6. Step 6: Final answer
    x = 185,644.20

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Similar ratio
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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.