Home / 730,479.03-1,008,041.68-408,191.77

Finding the Fourth Proportional to 730,479.03, 1,008,041.68 and 408,191.77

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Solution

The fourth proportional to 730,479.03, 1,008,041.68 and 408,191.77 is: 563,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,479.03 : 1,008,041.68 = 408,191.77 : x
  2. Step 2: Convert to fraction form
    730,479.03/1,008,041.68 = 408,191.77/x
  3. Step 3: Cross multiply
    730,479.03x = 1,008,041.68 × 408,191.77
  4. Step 4: Simplify right side
    730,479.03x = 411,474,317,592.97
  5. Step 5: Solve for x
    x = 411,474,317,592.97/730,479.03
  6. Step 6: Final answer
    x = 563,293.81

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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.