Home / 790,672.77-1,091,126.79-428,096.97

Finding the Fourth Proportional to 790,672.77, 1,091,126.79 and 428,096.97

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Solution

The fourth proportional to 790,672.77, 1,091,126.79 and 428,096.97 is: 590,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,672.77 : 1,091,126.79 = 428,096.97 : x
  2. Step 2: Convert to fraction form
    790,672.77/1,091,126.79 = 428,096.97/x
  3. Step 3: Cross multiply
    790,672.77x = 1,091,126.79 × 428,096.97
  4. Step 4: Simplify right side
    790,672.77x = 467,108,072,684.83
  5. Step 5: Solve for x
    x = 467,108,072,684.83/790,672.77
  6. Step 6: Final answer
    x = 590,772.93

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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.