Home / 890,047.35-1,228,269.11-482,149.20

Finding the Fourth Proportional to 890,047.35, 1,228,269.11 and 482,149.20

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Solution

The fourth proportional to 890,047.35, 1,228,269.11 and 482,149.20 is: 665,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,047.35 : 1,228,269.11 = 482,149.20 : x
  2. Step 2: Convert to fraction form
    890,047.35/1,228,269.11 = 482,149.20/x
  3. Step 3: Cross multiply
    890,047.35x = 1,228,269.11 × 482,149.20
  4. Step 4: Simplify right side
    890,047.35x = 592,208,960,219.12
  5. Step 5: Solve for x
    x = 592,208,960,219.12/890,047.35
  6. Step 6: Final answer
    x = 665,367.93

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Double scale
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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.