Home / 790,701.32-1,091,168.33-428,125.43

Finding the Fourth Proportional to 790,701.32, 1,091,168.33 and 428,125.43

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Solution

The fourth proportional to 790,701.32, 1,091,168.33 and 428,125.43 is: 590,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,701.32 : 1,091,168.33 = 428,125.43 : x
  2. Step 2: Convert to fraction form
    790,701.32/1,091,168.33 = 428,125.43/x
  3. Step 3: Cross multiply
    790,701.32x = 1,091,168.33 × 428,125.43
  4. Step 4: Simplify right side
    790,701.32x = 467,156,902,887.16
  5. Step 5: Solve for x
    x = 467,156,902,887.16/790,701.32
  6. Step 6: Final answer
    x = 590,813.36

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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.