Home / 738,864.20-1,108,037.10-383,760.20

Finding the Fourth Proportional to 738,864.20, 1,108,037.10 and 383,760.20

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Solution

The fourth proportional to 738,864.20, 1,108,037.10 and 383,760.20 is: 575,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,864.20 : 1,108,037.10 = 383,760.20 : x
  2. Step 2: Convert to fraction form
    738,864.20/1,108,037.10 = 383,760.20/x
  3. Step 3: Cross multiply
    738,864.20x = 1,108,037.10 × 383,760.20
  4. Step 4: Simplify right side
    738,864.20x = 425,220,539,103.42
  5. Step 5: Solve for x
    x = 425,220,539,103.42/738,864.20
  6. Step 6: Final answer
    x = 575,505.67

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Double scale
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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.