Home / 762,467.28-1,143,310.32-402,831.18

Finding the Fourth Proportional to 762,467.28, 1,143,310.32 and 402,831.18

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Solution

The fourth proportional to 762,467.28, 1,143,310.32 and 402,831.18 is: 604,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,467.28 : 1,143,310.32 = 402,831.18 : x
  2. Step 2: Convert to fraction form
    762,467.28/1,143,310.32 = 402,831.18/x
  3. Step 3: Cross multiply
    762,467.28x = 1,143,310.32 × 402,831.18
  4. Step 4: Simplify right side
    762,467.28x = 460,561,045,311.78
  5. Step 5: Solve for x
    x = 460,561,045,311.78/762,467.28
  6. Step 6: Final answer
    x = 604,040.41

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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.