Home / 811,739.57-1,218,029.51-588,938.94

Finding the Fourth Proportional to 811,739.57, 1,218,029.51 and 588,938.94

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Solution

The fourth proportional to 811,739.57, 1,218,029.51 and 588,938.94 is: 883,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,739.57 : 1,218,029.51 = 588,938.94 : x
  2. Step 2: Convert to fraction form
    811,739.57/1,218,029.51 = 588,938.94/x
  3. Step 3: Cross multiply
    811,739.57x = 1,218,029.51 × 588,938.94
  4. Step 4: Simplify right side
    811,739.57x = 717,345,005,563.43
  5. Step 5: Solve for x
    x = 717,345,005,563.43/811,739.57
  6. Step 6: Final answer
    x = 883,713.25

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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.