Home / 852,155.70-1,278,233.55-538,005.30

Finding the Fourth Proportional to 852,155.70, 1,278,233.55 and 538,005.30

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Solution

The fourth proportional to 852,155.70, 1,278,233.55 and 538,005.30 is: 807,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,155.70 : 1,278,233.55 = 538,005.30 : x
  2. Step 2: Convert to fraction form
    852,155.70/1,278,233.55 = 538,005.30/x
  3. Step 3: Cross multiply
    852,155.70x = 1,278,233.55 × 538,005.30
  4. Step 4: Simplify right side
    852,155.70x = 687,696,424,537.82
  5. Step 5: Solve for x
    x = 687,696,424,537.82/852,155.70
  6. Step 6: Final answer
    x = 807,007.95

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1.5x scale

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.