Home / 730,479.06-1,008,041.75-408,191.80

Finding the Fourth Proportional to 730,479.06, 1,008,041.75 and 408,191.80

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Solution

The fourth proportional to 730,479.06, 1,008,041.75 and 408,191.80 is: 563,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,479.06 : 1,008,041.75 = 408,191.80 : x
  2. Step 2: Convert to fraction form
    730,479.06/1,008,041.75 = 408,191.80/x
  3. Step 3: Cross multiply
    730,479.06x = 1,008,041.75 × 408,191.80
  4. Step 4: Simplify right side
    730,479.06x = 411,474,376,407.65
  5. Step 5: Solve for x
    x = 411,474,376,407.65/730,479.06
  6. Step 6: Final answer
    x = 563,293.87

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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.