Home / 733,538.24-1,100,686.40-312,701.12

Finding the Fourth Proportional to 733,538.24, 1,100,686.40 and 312,701.12

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Solution

The fourth proportional to 733,538.24, 1,100,686.40 and 312,701.12 is: 469,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,538.24 : 1,100,686.40 = 312,701.12 : x
  2. Step 2: Convert to fraction form
    733,538.24/1,100,686.40 = 312,701.12/x
  3. Step 3: Cross multiply
    733,538.24x = 1,100,686.40 × 312,701.12
  4. Step 4: Simplify right side
    733,538.24x = 344,185,870,048.77
  5. Step 5: Solve for x
    x = 344,185,870,048.77/733,538.24
  6. Step 6: Final answer
    x = 469,213.26

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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.