Home / 790,625.34-1,091,061.41-428,049.14

Finding the Fourth Proportional to 790,625.34, 1,091,061.41 and 428,049.14

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Solution

The fourth proportional to 790,625.34, 1,091,061.41 and 428,049.14 is: 590,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,625.34 : 1,091,061.41 = 428,049.14 : x
  2. Step 2: Convert to fraction form
    790,625.34/1,091,061.41 = 428,049.14/x
  3. Step 3: Cross multiply
    790,625.34x = 1,091,061.41 × 428,049.14
  4. Step 4: Simplify right side
    790,625.34x = 467,027,890,642.14
  5. Step 5: Solve for x
    x = 467,027,890,642.14/790,625.34
  6. Step 6: Final answer
    x = 590,706.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.