Home / 881,019.60-1,321,529.40-282,000.30

Finding the Fourth Proportional to 881,019.60, 1,321,529.40 and 282,000.30

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Solution

The fourth proportional to 881,019.60, 1,321,529.40 and 282,000.30 is: 423,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,019.60 : 1,321,529.40 = 282,000.30 : x
  2. Step 2: Convert to fraction form
    881,019.60/1,321,529.40 = 282,000.30/x
  3. Step 3: Cross multiply
    881,019.60x = 1,321,529.40 × 282,000.30
  4. Step 4: Simplify right side
    881,019.60x = 372,671,687,258.82
  5. Step 5: Solve for x
    x = 372,671,687,258.82/881,019.60
  6. Step 6: Final answer
    x = 423,000.45

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Similar ratio
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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.