Home / 822,155.52-1,134,607.68-477,989.76

Finding the Fourth Proportional to 822,155.52, 1,134,607.68 and 477,989.76

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Solution

The fourth proportional to 822,155.52, 1,134,607.68 and 477,989.76 is: 659,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,155.52 : 1,134,607.68 = 477,989.76 : x
  2. Step 2: Convert to fraction form
    822,155.52/1,134,607.68 = 477,989.76/x
  3. Step 3: Cross multiply
    822,155.52x = 1,134,607.68 × 477,989.76
  4. Step 4: Simplify right side
    822,155.52x = 542,330,852,657.36
  5. Step 5: Solve for x
    x = 542,330,852,657.36/822,155.52
  6. Step 6: Final answer
    x = 659,645.09

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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.