Home / 453,749.40-680,624.10-382,890.60

Finding the Fourth Proportional to 453,749.40, 680,624.10 and 382,890.60

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Solution

The fourth proportional to 453,749.40, 680,624.10 and 382,890.60 is: 574,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,749.40 : 680,624.10 = 382,890.60 : x
  2. Step 2: Convert to fraction form
    453,749.40/680,624.10 = 382,890.60/x
  3. Step 3: Cross multiply
    453,749.40x = 680,624.10 × 382,890.60
  4. Step 4: Simplify right side
    453,749.40x = 260,604,570,023.46
  5. Step 5: Solve for x
    x = 260,604,570,023.46/453,749.40
  6. Step 6: Final answer
    x = 574,335.90

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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.