Home / 558,733.28-838,641.20-528,388.65

Finding the Fourth Proportional to 558,733.28, 838,641.20 and 528,388.65

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Solution

The fourth proportional to 558,733.28, 838,641.20 and 528,388.65 is: 793,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,733.28 : 838,641.20 = 528,388.65 : x
  2. Step 2: Convert to fraction form
    558,733.28/838,641.20 = 528,388.65/x
  3. Step 3: Cross multiply
    558,733.28x = 838,641.20 × 528,388.65
  4. Step 4: Simplify right side
    558,733.28x = 443,128,488,860.44
  5. Step 5: Solve for x
    x = 443,128,488,860.44/558,733.28
  6. Step 6: Final answer
    x = 793,094.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.