Home / 775,079.28-1,162,462.73-486,762.15

Finding the Fourth Proportional to 775,079.28, 1,162,462.73 and 486,762.15

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Solution

The fourth proportional to 775,079.28, 1,162,462.73 and 486,762.15 is: 730,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,079.28 : 1,162,462.73 = 486,762.15 : x
  2. Step 2: Convert to fraction form
    775,079.28/1,162,462.73 = 486,762.15/x
  3. Step 3: Cross multiply
    775,079.28x = 1,162,462.73 × 486,762.15
  4. Step 4: Simplify right side
    775,079.28x = 565,842,849,503.55
  5. Step 5: Solve for x
    x = 565,842,849,503.55/775,079.28
  6. Step 6: Final answer
    x = 730,045.12

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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.