Home / 727,567.20-1,091,350.80-550,420.20

Finding the Fourth Proportional to 727,567.20, 1,091,350.80 and 550,420.20

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Solution

The fourth proportional to 727,567.20, 1,091,350.80 and 550,420.20 is: 825,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,567.20 : 1,091,350.80 = 550,420.20 : x
  2. Step 2: Convert to fraction form
    727,567.20/1,091,350.80 = 550,420.20/x
  3. Step 3: Cross multiply
    727,567.20x = 1,091,350.80 × 550,420.20
  4. Step 4: Simplify right side
    727,567.20x = 600,701,525,606.16
  5. Step 5: Solve for x
    x = 600,701,525,606.16/727,567.20
  6. Step 6: Final answer
    x = 825,630.30

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Double scale
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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.