Home / 744,493.80-1,116,740.70-661,825.20

Finding the Fourth Proportional to 744,493.80, 1,116,740.70 and 661,825.20

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Solution

The fourth proportional to 744,493.80, 1,116,740.70 and 661,825.20 is: 992,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,493.80 : 1,116,740.70 = 661,825.20 : x
  2. Step 2: Convert to fraction form
    744,493.80/1,116,740.70 = 661,825.20/x
  3. Step 3: Cross multiply
    744,493.80x = 1,116,740.70 × 661,825.20
  4. Step 4: Simplify right side
    744,493.80x = 739,087,137,125.64
  5. Step 5: Solve for x
    x = 739,087,137,125.64/744,493.80
  6. Step 6: Final answer
    x = 992,737.80

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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.