Home / 738,010.10-1,106,140.35-311,545.10

Finding the Fourth Proportional to 738,010.10, 1,106,140.35 and 311,545.10

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Solution

The fourth proportional to 738,010.10, 1,106,140.35 and 311,545.10 is: 466,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,010.10 : 1,106,140.35 = 311,545.10 : x
  2. Step 2: Convert to fraction form
    738,010.10/1,106,140.35 = 311,545.10/x
  3. Step 3: Cross multiply
    738,010.10x = 1,106,140.35 × 311,545.10
  4. Step 4: Simplify right side
    738,010.10x = 344,612,605,954.79
  5. Step 5: Solve for x
    x = 344,612,605,954.79/738,010.10
  6. Step 6: Final answer
    x = 466,948.36

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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.