Home / 937,030.60-1,405,545.90-431,590.60

Finding the Fourth Proportional to 937,030.60, 1,405,545.90 and 431,590.60

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Solution

The fourth proportional to 937,030.60, 1,405,545.90 and 431,590.60 is: 647,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,030.60 : 1,405,545.90 = 431,590.60 : x
  2. Step 2: Convert to fraction form
    937,030.60/1,405,545.90 = 431,590.60/x
  3. Step 3: Cross multiply
    937,030.60x = 1,405,545.90 × 431,590.60
  4. Step 4: Simplify right side
    937,030.60x = 606,620,398,308.54
  5. Step 5: Solve for x
    x = 606,620,398,308.54/937,030.60
  6. Step 6: Final answer
    x = 647,385.90

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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.