Home / 678,451.02-1,017,793.83-229,175.16

Finding the Fourth Proportional to 678,451.02, 1,017,793.83 and 229,175.16

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Solution

The fourth proportional to 678,451.02, 1,017,793.83 and 229,175.16 is: 343,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,451.02 : 1,017,793.83 = 229,175.16 : x
  2. Step 2: Convert to fraction form
    678,451.02/1,017,793.83 = 229,175.16/x
  3. Step 3: Cross multiply
    678,451.02x = 1,017,793.83 × 229,175.16
  4. Step 4: Simplify right side
    678,451.02x = 233,253,063,837.26
  5. Step 5: Solve for x
    x = 233,253,063,837.26/678,451.02
  6. Step 6: Final answer
    x = 343,802.36

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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.