Home / 820,374.38-1,132,116.87-452,851.74

Finding the Fourth Proportional to 820,374.38, 1,132,116.87 and 452,851.74

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Solution

The fourth proportional to 820,374.38, 1,132,116.87 and 452,851.74 is: 624,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,374.38 : 1,132,116.87 = 452,851.74 : x
  2. Step 2: Convert to fraction form
    820,374.38/1,132,116.87 = 452,851.74/x
  3. Step 3: Cross multiply
    820,374.38x = 1,132,116.87 × 452,851.74
  4. Step 4: Simplify right side
    820,374.38x = 512,681,094,462.85
  5. Step 5: Solve for x
    x = 512,681,094,462.85/820,374.38
  6. Step 6: Final answer
    x = 624,935.53

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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.