Home / 722,943.30-1,084,220.55-302,132.10

Finding the Fourth Proportional to 722,943.30, 1,084,220.55 and 302,132.10

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Solution

The fourth proportional to 722,943.30, 1,084,220.55 and 302,132.10 is: 453,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,943.30 : 1,084,220.55 = 302,132.10 : x
  2. Step 2: Convert to fraction form
    722,943.30/1,084,220.55 = 302,132.10/x
  3. Step 3: Cross multiply
    722,943.30x = 1,084,220.55 × 302,132.10
  4. Step 4: Simplify right side
    722,943.30x = 327,577,831,634.66
  5. Step 5: Solve for x
    x = 327,577,831,634.66/722,943.30
  6. Step 6: Final answer
    x = 453,116.91

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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.