Home / 754,555.68-1,040,831.51-464,216.85

Finding the Fourth Proportional to 754,555.68, 1,040,831.51 and 464,216.85

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Solution

The fourth proportional to 754,555.68, 1,040,831.51 and 464,216.85 is: 640,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,555.68 : 1,040,831.51 = 464,216.85 : x
  2. Step 2: Convert to fraction form
    754,555.68/1,040,831.51 = 464,216.85/x
  3. Step 3: Cross multiply
    754,555.68x = 1,040,831.51 × 464,216.85
  4. Step 4: Simplify right side
    754,555.68x = 483,171,522,631.86
  5. Step 5: Solve for x
    x = 483,171,522,631.86/754,555.68
  6. Step 6: Final answer
    x = 640,339.12

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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.