Home / 811,740.57-1,218,031.01-588,939.94

Finding the Fourth Proportional to 811,740.57, 1,218,031.01 and 588,939.94

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Solution

The fourth proportional to 811,740.57, 1,218,031.01 and 588,939.94 is: 883,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,740.57 : 1,218,031.01 = 588,939.94 : x
  2. Step 2: Convert to fraction form
    811,740.57/1,218,031.01 = 588,939.94/x
  3. Step 3: Cross multiply
    811,740.57x = 1,218,031.01 × 588,939.94
  4. Step 4: Simplify right side
    811,740.57x = 717,347,109,947.54
  5. Step 5: Solve for x
    x = 717,347,109,947.54/811,740.57
  6. Step 6: Final answer
    x = 883,714.74

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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.