Home / 936,149.12-1,291,882.97-506,429.13

Finding the Fourth Proportional to 936,149.12, 1,291,882.97 and 506,429.13

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Solution

The fourth proportional to 936,149.12, 1,291,882.97 and 506,429.13 is: 698,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,149.12 : 1,291,882.97 = 506,429.13 : x
  2. Step 2: Convert to fraction form
    936,149.12/1,291,882.97 = 506,429.13/x
  3. Step 3: Cross multiply
    936,149.12x = 1,291,882.97 × 506,429.13
  4. Step 4: Simplify right side
    936,149.12x = 654,247,168,558.92
  5. Step 5: Solve for x
    x = 654,247,168,558.92/936,149.12
  6. Step 6: Final answer
    x = 698,870.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.