Home / 964,411.22-1,443,779.02-643,767.78

Finding the Fourth Proportional to 964,411.22, 1,443,779.02 and 643,767.78

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Solution

The fourth proportional to 964,411.22, 1,443,779.02 and 643,767.78 is: 963,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,411.22 : 1,443,779.02 = 643,767.78 : x
  2. Step 2: Convert to fraction form
    964,411.22/1,443,779.02 = 643,767.78/x
  3. Step 3: Cross multiply
    964,411.22x = 1,443,779.02 × 643,767.78
  4. Step 4: Simplify right side
    964,411.22x = 929,458,414,515.98
  5. Step 5: Solve for x
    x = 929,458,414,515.98/964,411.22
  6. Step 6: Final answer
    x = 963,757.36

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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.