Home / 739,072.20-1,108,608.30-709,547.70

Finding the Fourth Proportional to 739,072.20, 1,108,608.30 and 709,547.70

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Solution

The fourth proportional to 739,072.20, 1,108,608.30 and 709,547.70 is: 1,064,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,072.20 : 1,108,608.30 = 709,547.70 : x
  2. Step 2: Convert to fraction form
    739,072.20/1,108,608.30 = 709,547.70/x
  3. Step 3: Cross multiply
    739,072.20x = 1,108,608.30 × 709,547.70
  4. Step 4: Simplify right side
    739,072.20x = 786,610,469,465.91
  5. Step 5: Solve for x
    x = 786,610,469,465.91/739,072.20
  6. Step 6: Final answer
    x = 1,064,321.55

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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.