Home / 793,432.80-1,190,149.20-644,133.60

Finding the Fourth Proportional to 793,432.80, 1,190,149.20 and 644,133.60

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Solution

The fourth proportional to 793,432.80, 1,190,149.20 and 644,133.60 is: 966,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,432.80 : 1,190,149.20 = 644,133.60 : x
  2. Step 2: Convert to fraction form
    793,432.80/1,190,149.20 = 644,133.60/x
  3. Step 3: Cross multiply
    793,432.80x = 1,190,149.20 × 644,133.60
  4. Step 4: Simplify right side
    793,432.80x = 766,615,088,733.12
  5. Step 5: Solve for x
    x = 766,615,088,733.12/793,432.80
  6. Step 6: Final answer
    x = 966,200.40

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Similar ratio
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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.