Home / 727,810.20-1,091,520.90-222,370.20

Finding the Fourth Proportional to 727,810.20, 1,091,520.90 and 222,370.20

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Solution

The fourth proportional to 727,810.20, 1,091,520.90 and 222,370.20 is: 333,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,810.20 : 1,091,520.90 = 222,370.20 : x
  2. Step 2: Convert to fraction form
    727,810.20/1,091,520.90 = 222,370.20/x
  3. Step 3: Cross multiply
    727,810.20x = 1,091,520.90 × 222,370.20
  4. Step 4: Simplify right side
    727,810.20x = 242,721,720,837.18
  5. Step 5: Solve for x
    x = 242,721,720,837.18/727,810.20
  6. Step 6: Final answer
    x = 333,495.90

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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.