Home / 738,045.10-1,107,067.65-239,409.10

Finding the Fourth Proportional to 738,045.10, 1,107,067.65 and 239,409.10

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Solution

The fourth proportional to 738,045.10, 1,107,067.65 and 239,409.10 is: 359,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,045.10 : 1,107,067.65 = 239,409.10 : x
  2. Step 2: Convert to fraction form
    738,045.10/1,107,067.65 = 239,409.10/x
  3. Step 3: Cross multiply
    738,045.10x = 1,107,067.65 × 239,409.10
  4. Step 4: Simplify right side
    738,045.10x = 265,042,069,725.62
  5. Step 5: Solve for x
    x = 265,042,069,725.62/738,045.10
  6. Step 6: Final answer
    x = 359,113.65

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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.