Home / 730,608.68-1,008,251.40-408,339.65

Finding the Fourth Proportional to 730,608.68, 1,008,251.40 and 408,339.65

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Solution

The fourth proportional to 730,608.68, 1,008,251.40 and 408,339.65 is: 563,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,608.68 : 1,008,251.40 = 408,339.65 : x
  2. Step 2: Convert to fraction form
    730,608.68/1,008,251.40 = 408,339.65/x
  3. Step 3: Cross multiply
    730,608.68x = 1,008,251.40 × 408,339.65
  4. Step 4: Simplify right side
    730,608.68x = 411,709,018,746.75
  5. Step 5: Solve for x
    x = 411,709,018,746.75/730,608.68
  6. Step 6: Final answer
    x = 563,515.10

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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.