Home / 855,353.70-1,283,030.55-656,288.10

Finding the Fourth Proportional to 855,353.70, 1,283,030.55 and 656,288.10

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Solution

The fourth proportional to 855,353.70, 1,283,030.55 and 656,288.10 is: 984,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,353.70 : 1,283,030.55 = 656,288.10 : x
  2. Step 2: Convert to fraction form
    855,353.70/1,283,030.55 = 656,288.10/x
  3. Step 3: Cross multiply
    855,353.70x = 1,283,030.55 × 656,288.10
  4. Step 4: Simplify right side
    855,353.70x = 842,037,681,901.46
  5. Step 5: Solve for x
    x = 842,037,681,901.46/855,353.70
  6. Step 6: Final answer
    x = 984,432.15

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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.