Home / 781,385.69-1,170,561.97-575,847.06

Finding the Fourth Proportional to 781,385.69, 1,170,561.97 and 575,847.06

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Solution

The fourth proportional to 781,385.69, 1,170,561.97 and 575,847.06 is: 862,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,385.69 : 1,170,561.97 = 575,847.06 : x
  2. Step 2: Convert to fraction form
    781,385.69/1,170,561.97 = 575,847.06/x
  3. Step 3: Cross multiply
    781,385.69x = 1,170,561.97 × 575,847.06
  4. Step 4: Simplify right side
    781,385.69x = 674,064,671,103.70
  5. Step 5: Solve for x
    x = 674,064,671,103.70/781,385.69
  6. Step 6: Final answer
    x = 862,652.95

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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.