Home / 738,574.10-1,107,861.15-239,938.10

Finding the Fourth Proportional to 738,574.10, 1,107,861.15 and 239,938.10

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Solution

The fourth proportional to 738,574.10, 1,107,861.15 and 239,938.10 is: 359,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,574.10 : 1,107,861.15 = 239,938.10 : x
  2. Step 2: Convert to fraction form
    738,574.10/1,107,861.15 = 239,938.10/x
  3. Step 3: Cross multiply
    738,574.10x = 1,107,861.15 × 239,938.10
  4. Step 4: Simplify right side
    738,574.10x = 265,818,099,394.82
  5. Step 5: Solve for x
    x = 265,818,099,394.82/738,574.10
  6. Step 6: Final answer
    x = 359,907.15

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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.