Home / 733,039.56-1,011,570.12-406,338.84

Finding the Fourth Proportional to 733,039.56, 1,011,570.12 and 406,338.84

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Solution

The fourth proportional to 733,039.56, 1,011,570.12 and 406,338.84 is: 560,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,039.56 : 1,011,570.12 = 406,338.84 : x
  2. Step 2: Convert to fraction form
    733,039.56/1,011,570.12 = 406,338.84/x
  3. Step 3: Cross multiply
    733,039.56x = 1,011,570.12 × 406,338.84
  4. Step 4: Simplify right side
    733,039.56x = 411,040,229,139.46
  5. Step 5: Solve for x
    x = 411,040,229,139.46/733,039.56
  6. Step 6: Final answer
    x = 560,734.03

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.