Home / 905,290.50-1,250,406.12-676,860.83

Finding the Fourth Proportional to 905,290.50, 1,250,406.12 and 676,860.83

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Solution

The fourth proportional to 905,290.50, 1,250,406.12 and 676,860.83 is: 934,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,290.50 : 1,250,406.12 = 676,860.83 : x
  2. Step 2: Convert to fraction form
    905,290.50/1,250,406.12 = 676,860.83/x
  3. Step 3: Cross multiply
    905,290.50x = 1,250,406.12 × 676,860.83
  4. Step 4: Simplify right side
    905,290.50x = 846,350,919,043.65
  5. Step 5: Solve for x
    x = 846,350,919,043.65/905,290.50
  6. Step 6: Final answer
    x = 934,894.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.