Home / 730,473.90-1,008,034.62-408,186.65

Finding the Fourth Proportional to 730,473.90, 1,008,034.62 and 408,186.65

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Solution

The fourth proportional to 730,473.90, 1,008,034.62 and 408,186.65 is: 563,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,473.90 : 1,008,034.62 = 408,186.65 : x
  2. Step 2: Convert to fraction form
    730,473.90/1,008,034.62 = 408,186.65/x
  3. Step 3: Cross multiply
    730,473.90x = 1,008,034.62 × 408,186.65
  4. Step 4: Simplify right side
    730,473.90x = 411,466,269,581.65
  5. Step 5: Solve for x
    x = 411,466,269,581.65/730,473.90
  6. Step 6: Final answer
    x = 563,286.75

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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.