Home / 730,475.09-1,008,036.82-408,187.83

Finding the Fourth Proportional to 730,475.09, 1,008,036.82 and 408,187.83

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Solution

The fourth proportional to 730,475.09, 1,008,036.82 and 408,187.83 is: 563,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,475.09 : 1,008,036.82 = 408,187.83 : x
  2. Step 2: Convert to fraction form
    730,475.09/1,008,036.82 = 408,187.83/x
  3. Step 3: Cross multiply
    730,475.09x = 1,008,036.82 × 408,187.83
  4. Step 4: Simplify right side
    730,475.09x = 411,468,364,719.20
  5. Step 5: Solve for x
    x = 411,468,364,719.20/730,475.09
  6. Step 6: Final answer
    x = 563,288.70

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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.