Home / 738,008.10-1,106,137.35-311,543.10

Finding the Fourth Proportional to 738,008.10, 1,106,137.35 and 311,543.10

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Solution

The fourth proportional to 738,008.10, 1,106,137.35 and 311,543.10 is: 466,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,008.10 : 1,106,137.35 = 311,543.10 : x
  2. Step 2: Convert to fraction form
    738,008.10/1,106,137.35 = 311,543.10/x
  3. Step 3: Cross multiply
    738,008.10x = 1,106,137.35 × 311,543.10
  4. Step 4: Simplify right side
    738,008.10x = 344,609,459,044.79
  5. Step 5: Solve for x
    x = 344,609,459,044.79/738,008.10
  6. Step 6: Final answer
    x = 466,945.36

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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.