Home / 880,865.80-1,321,298.70-731,404.60

Finding the Fourth Proportional to 880,865.80, 1,321,298.70 and 731,404.60

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Solution

The fourth proportional to 880,865.80, 1,321,298.70 and 731,404.60 is: 1,097,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,865.80 : 1,321,298.70 = 731,404.60 : x
  2. Step 2: Convert to fraction form
    880,865.80/1,321,298.70 = 731,404.60/x
  3. Step 3: Cross multiply
    880,865.80x = 1,321,298.70 × 731,404.60
  4. Step 4: Simplify right side
    880,865.80x = 966,403,947,154.02
  5. Step 5: Solve for x
    x = 966,403,947,154.02/880,865.80
  6. Step 6: Final answer
    x = 1,097,106.90

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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.