Home / 810,042.52-1,117,869.06-447,464.92

Finding the Fourth Proportional to 810,042.52, 1,117,869.06 and 447,464.92

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Solution

The fourth proportional to 810,042.52, 1,117,869.06 and 447,464.92 is: 617,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,042.52 : 1,117,869.06 = 447,464.92 : x
  2. Step 2: Convert to fraction form
    810,042.52/1,117,869.06 = 447,464.92/x
  3. Step 3: Cross multiply
    810,042.52x = 1,117,869.06 × 447,464.92
  4. Step 4: Simplify right side
    810,042.52x = 500,207,189,503.38
  5. Step 5: Solve for x
    x = 500,207,189,503.38/810,042.52
  6. Step 6: Final answer
    x = 617,507.32

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Double scale
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1.5x scale

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.