Home / 704,756.46-1,057,265.85-320,532.96

Finding the Fourth Proportional to 704,756.46, 1,057,265.85 and 320,532.96

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Solution

The fourth proportional to 704,756.46, 1,057,265.85 and 320,532.96 is: 480,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,756.46 : 1,057,265.85 = 320,532.96 : x
  2. Step 2: Convert to fraction form
    704,756.46/1,057,265.85 = 320,532.96/x
  3. Step 3: Cross multiply
    704,756.46x = 1,057,265.85 × 320,532.96
  4. Step 4: Simplify right side
    704,756.46x = 338,888,552,407.42
  5. Step 5: Solve for x
    x = 338,888,552,407.42/704,756.46
  6. Step 6: Final answer
    x = 480,859.09

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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.