Home / 862,775.52-1,190,631.36-480,793.92

Finding the Fourth Proportional to 862,775.52, 1,190,631.36 and 480,793.92

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Solution

The fourth proportional to 862,775.52, 1,190,631.36 and 480,793.92 is: 663,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,775.52 : 1,190,631.36 = 480,793.92 : x
  2. Step 2: Convert to fraction form
    862,775.52/1,190,631.36 = 480,793.92/x
  3. Step 3: Cross multiply
    862,775.52x = 1,190,631.36 × 480,793.92
  4. Step 4: Simplify right side
    862,775.52x = 572,448,318,849.33
  5. Step 5: Solve for x
    x = 572,448,318,849.33/862,775.52
  6. Step 6: Final answer
    x = 663,496.25

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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.