Home / 738,665.40-1,108,034.55-384,371.40

Finding the Fourth Proportional to 738,665.40, 1,108,034.55 and 384,371.40

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Solution

The fourth proportional to 738,665.40, 1,108,034.55 and 384,371.40 is: 576,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,665.40 : 1,108,034.55 = 384,371.40 : x
  2. Step 2: Convert to fraction form
    738,665.40/1,108,034.55 = 384,371.40/x
  3. Step 3: Cross multiply
    738,665.40x = 1,108,034.55 × 384,371.40
  4. Step 4: Simplify right side
    738,665.40x = 425,896,791,231.87
  5. Step 5: Solve for x
    x = 425,896,791,231.87/738,665.40
  6. Step 6: Final answer
    x = 576,576.07

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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.