Home / 964,729.28-1,446,633.44-432,254.72

Finding the Fourth Proportional to 964,729.28, 1,446,633.44 and 432,254.72

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Solution

The fourth proportional to 964,729.28, 1,446,633.44 and 432,254.72 is: 648,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,729.28 : 1,446,633.44 = 432,254.72 : x
  2. Step 2: Convert to fraction form
    964,729.28/1,446,633.44 = 432,254.72/x
  3. Step 3: Cross multiply
    964,729.28x = 1,446,633.44 × 432,254.72
  4. Step 4: Simplify right side
    964,729.28x = 625,314,132,549.84
  5. Step 5: Solve for x
    x = 625,314,132,549.84/964,729.28
  6. Step 6: Final answer
    x = 648,175.76

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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.