Home / 744,491.80-1,116,737.70-661,823.20

Finding the Fourth Proportional to 744,491.80, 1,116,737.70 and 661,823.20

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Solution

The fourth proportional to 744,491.80, 1,116,737.70 and 661,823.20 is: 992,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,491.80 : 1,116,737.70 = 661,823.20 : x
  2. Step 2: Convert to fraction form
    744,491.80/1,116,737.70 = 661,823.20/x
  3. Step 3: Cross multiply
    744,491.80x = 1,116,737.70 × 661,823.20
  4. Step 4: Simplify right side
    744,491.80x = 739,082,918,174.64
  5. Step 5: Solve for x
    x = 739,082,918,174.64/744,491.80
  6. Step 6: Final answer
    x = 992,734.80

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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.