Home / 859,402.52-1,185,560.82-572,555.60

Finding the Fourth Proportional to 859,402.52, 1,185,560.82 and 572,555.60

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Solution

The fourth proportional to 859,402.52, 1,185,560.82 and 572,555.60 is: 789,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,402.52 : 1,185,560.82 = 572,555.60 : x
  2. Step 2: Convert to fraction form
    859,402.52/1,185,560.82 = 572,555.60/x
  3. Step 3: Cross multiply
    859,402.52x = 1,185,560.82 × 572,555.60
  4. Step 4: Simplify right side
    859,402.52x = 678,799,491,818.42
  5. Step 5: Solve for x
    x = 678,799,491,818.42/859,402.52
  6. Step 6: Final answer
    x = 789,850.47

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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.