Home / 732,829.20-1,099,243.80-660,512.40

Finding the Fourth Proportional to 732,829.20, 1,099,243.80 and 660,512.40

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Solution

The fourth proportional to 732,829.20, 1,099,243.80 and 660,512.40 is: 990,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,829.20 : 1,099,243.80 = 660,512.40 : x
  2. Step 2: Convert to fraction form
    732,829.20/1,099,243.80 = 660,512.40/x
  3. Step 3: Cross multiply
    732,829.20x = 1,099,243.80 × 660,512.40
  4. Step 4: Simplify right side
    732,829.20x = 726,064,160,523.12
  5. Step 5: Solve for x
    x = 726,064,160,523.12/732,829.20
  6. Step 6: Final answer
    x = 990,768.60

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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.