Home / 733,870.80-1,100,806.20-521,294.40

Finding the Fourth Proportional to 733,870.80, 1,100,806.20 and 521,294.40

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Solution

The fourth proportional to 733,870.80, 1,100,806.20 and 521,294.40 is: 781,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,870.80 : 1,100,806.20 = 521,294.40 : x
  2. Step 2: Convert to fraction form
    733,870.80/1,100,806.20 = 521,294.40/x
  3. Step 3: Cross multiply
    733,870.80x = 1,100,806.20 × 521,294.40
  4. Step 4: Simplify right side
    733,870.80x = 573,844,107,545.28
  5. Step 5: Solve for x
    x = 573,844,107,545.28/733,870.80
  6. Step 6: Final answer
    x = 781,941.60

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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.