Home / 847,928.76-1,272,022.16-527,821.60

Finding the Fourth Proportional to 847,928.76, 1,272,022.16 and 527,821.60

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Solution

The fourth proportional to 847,928.76, 1,272,022.16 and 527,821.60 is: 791,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,928.76 : 1,272,022.16 = 527,821.60 : x
  2. Step 2: Convert to fraction form
    847,928.76/1,272,022.16 = 527,821.60/x
  3. Step 3: Cross multiply
    847,928.76x = 1,272,022.16 × 527,821.60
  4. Step 4: Simplify right side
    847,928.76x = 671,400,771,726.66
  5. Step 5: Solve for x
    x = 671,400,771,726.66/847,928.76
  6. Step 6: Final answer
    x = 791,812.71

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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.