Home / 928,207.35-1,280,939.27-565,646.49

Finding the Fourth Proportional to 928,207.35, 1,280,939.27 and 565,646.49

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Solution

The fourth proportional to 928,207.35, 1,280,939.27 and 565,646.49 is: 780,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,207.35 : 1,280,939.27 = 565,646.49 : x
  2. Step 2: Convert to fraction form
    928,207.35/1,280,939.27 = 565,646.49/x
  3. Step 3: Cross multiply
    928,207.35x = 1,280,939.27 × 565,646.49
  4. Step 4: Simplify right side
    928,207.35x = 724,558,799,150.43
  5. Step 5: Solve for x
    x = 724,558,799,150.43/928,207.35
  6. Step 6: Final answer
    x = 780,600.15

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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.