Home / 739,934.60-1,109,901.90-266,635.40

Finding the Fourth Proportional to 739,934.60, 1,109,901.90 and 266,635.40

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Solution

The fourth proportional to 739,934.60, 1,109,901.90 and 266,635.40 is: 399,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,934.60 : 1,109,901.90 = 266,635.40 : x
  2. Step 2: Convert to fraction form
    739,934.60/1,109,901.90 = 266,635.40/x
  3. Step 3: Cross multiply
    739,934.60x = 1,109,901.90 × 266,635.40
  4. Step 4: Simplify right side
    739,934.60x = 295,939,137,067.26
  5. Step 5: Solve for x
    x = 295,939,137,067.26/739,934.60
  6. Step 6: Final answer
    x = 399,953.10

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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.