Home / 497,830.80-744,777.90-432,002.10

Finding the Fourth Proportional to 497,830.80, 744,777.90 and 432,002.10

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Solution

The fourth proportional to 497,830.80, 744,777.90 and 432,002.10 is: 646,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,830.80 : 744,777.90 = 432,002.10 : x
  2. Step 2: Convert to fraction form
    497,830.80/744,777.90 = 432,002.10/x
  3. Step 3: Cross multiply
    497,830.80x = 744,777.90 × 432,002.10
  4. Step 4: Simplify right side
    497,830.80x = 321,745,616,833.59
  5. Step 5: Solve for x
    x = 321,745,616,833.59/497,830.80
  6. Step 6: Final answer
    x = 646,295.12

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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.