Home / 731,157.12-1,008,954.96-404,450.64

Finding the Fourth Proportional to 731,157.12, 1,008,954.96 and 404,450.64

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Solution

The fourth proportional to 731,157.12, 1,008,954.96 and 404,450.64 is: 558,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,157.12 : 1,008,954.96 = 404,450.64 : x
  2. Step 2: Convert to fraction form
    731,157.12/1,008,954.96 = 404,450.64/x
  3. Step 3: Cross multiply
    731,157.12x = 1,008,954.96 × 404,450.64
  4. Step 4: Simplify right side
    731,157.12x = 408,072,479,303.17
  5. Step 5: Solve for x
    x = 408,072,479,303.17/731,157.12
  6. Step 6: Final answer
    x = 558,118.72

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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.