Home / 738,862.20-1,108,034.10-383,758.20

Finding the Fourth Proportional to 738,862.20, 1,108,034.10 and 383,758.20

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Solution

The fourth proportional to 738,862.20, 1,108,034.10 and 383,758.20 is: 575,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,862.20 : 1,108,034.10 = 383,758.20 : x
  2. Step 2: Convert to fraction form
    738,862.20/1,108,034.10 = 383,758.20/x
  3. Step 3: Cross multiply
    738,862.20x = 1,108,034.10 × 383,758.20
  4. Step 4: Simplify right side
    738,862.20x = 425,217,171,754.62
  5. Step 5: Solve for x
    x = 425,217,171,754.62/738,862.20
  6. Step 6: Final answer
    x = 575,502.67

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Half scale
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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.