Home / 962,728.40-1,444,617.24-430,227.92

Finding the Fourth Proportional to 962,728.40, 1,444,617.24 and 430,227.92

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Solution

The fourth proportional to 962,728.40, 1,444,617.24 and 430,227.92 is: 645,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,728.40 : 1,444,617.24 = 430,227.92 : x
  2. Step 2: Convert to fraction form
    962,728.40/1,444,617.24 = 430,227.92/x
  3. Step 3: Cross multiply
    962,728.40x = 1,444,617.24 × 430,227.92
  4. Step 4: Simplify right side
    962,728.40x = 621,514,670,361.34
  5. Step 5: Solve for x
    x = 621,514,670,361.34/962,728.40
  6. Step 6: Final answer
    x = 645,576.33

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1.5x scale

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.