Home / 805,451.06-1,207,422.02-272,599.04

Finding the Fourth Proportional to 805,451.06, 1,207,422.02 and 272,599.04

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Solution

The fourth proportional to 805,451.06, 1,207,422.02 and 272,599.04 is: 408,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,451.06 : 1,207,422.02 = 272,599.04 : x
  2. Step 2: Convert to fraction form
    805,451.06/1,207,422.02 = 272,599.04/x
  3. Step 3: Cross multiply
    805,451.06x = 1,207,422.02 × 272,599.04
  4. Step 4: Simplify right side
    805,451.06x = 329,142,083,526.86
  5. Step 5: Solve for x
    x = 329,142,083,526.86/805,451.06
  6. Step 6: Final answer
    x = 408,643.18

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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.