Home / 738,002.40-1,107,003.60-671,517.60

Finding the Fourth Proportional to 738,002.40, 1,107,003.60 and 671,517.60

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Solution

The fourth proportional to 738,002.40, 1,107,003.60 and 671,517.60 is: 1,007,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,002.40 : 1,107,003.60 = 671,517.60 : x
  2. Step 2: Convert to fraction form
    738,002.40/1,107,003.60 = 671,517.60/x
  3. Step 3: Cross multiply
    738,002.40x = 1,107,003.60 × 671,517.60
  4. Step 4: Simplify right side
    738,002.40x = 743,372,400,663.36
  5. Step 5: Solve for x
    x = 743,372,400,663.36/738,002.40
  6. Step 6: Final answer
    x = 1,007,276.40

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1.5x scale

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.