Home / 983,020.20-1,474,530.30-384,000.90

Finding the Fourth Proportional to 983,020.20, 1,474,530.30 and 384,000.90

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Solution

The fourth proportional to 983,020.20, 1,474,530.30 and 384,000.90 is: 576,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,020.20 : 1,474,530.30 = 384,000.90 : x
  2. Step 2: Convert to fraction form
    983,020.20/1,474,530.30 = 384,000.90/x
  3. Step 3: Cross multiply
    983,020.20x = 1,474,530.30 × 384,000.90
  4. Step 4: Simplify right side
    983,020.20x = 566,220,962,277.27
  5. Step 5: Solve for x
    x = 566,220,962,277.27/983,020.20
  6. Step 6: Final answer
    x = 576,001.35

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Double scale
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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.