Home / 964,405.04-1,443,769.75-643,761.59

Finding the Fourth Proportional to 964,405.04, 1,443,769.75 and 643,761.59

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Solution

The fourth proportional to 964,405.04, 1,443,769.75 and 643,761.59 is: 963,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,405.04 : 1,443,769.75 = 643,761.59 : x
  2. Step 2: Convert to fraction form
    964,405.04/1,443,769.75 = 643,761.59/x
  3. Step 3: Cross multiply
    964,405.04x = 1,443,769.75 × 643,761.59
  4. Step 4: Simplify right side
    964,405.04x = 929,443,511,560.96
  5. Step 5: Solve for x
    x = 929,443,511,560.96/964,405.04
  6. Step 6: Final answer
    x = 963,748.09

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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.