Home / 842,459.28-1,162,601.68-479,877.92

Finding the Fourth Proportional to 842,459.28, 1,162,601.68 and 479,877.92

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Solution

The fourth proportional to 842,459.28, 1,162,601.68 and 479,877.92 is: 662,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,459.28 : 1,162,601.68 = 479,877.92 : x
  2. Step 2: Convert to fraction form
    842,459.28/1,162,601.68 = 479,877.92/x
  3. Step 3: Cross multiply
    842,459.28x = 1,162,601.68 × 479,877.92
  4. Step 4: Simplify right side
    842,459.28x = 557,906,875,583.39
  5. Step 5: Solve for x
    x = 557,906,875,583.39/842,459.28
  6. Step 6: Final answer
    x = 662,236.01

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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.