Home / 762,666.56-1,144,001.24-313,074.08

Finding the Fourth Proportional to 762,666.56, 1,144,001.24 and 313,074.08

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Solution

The fourth proportional to 762,666.56, 1,144,001.24 and 313,074.08 is: 469,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,666.56 : 1,144,001.24 = 313,074.08 : x
  2. Step 2: Convert to fraction form
    762,666.56/1,144,001.24 = 313,074.08/x
  3. Step 3: Cross multiply
    762,666.56x = 1,144,001.24 × 313,074.08
  4. Step 4: Simplify right side
    762,666.56x = 358,157,135,731.86
  5. Step 5: Solve for x
    x = 358,157,135,731.86/762,666.56
  6. Step 6: Final answer
    x = 469,611.69

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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.