Home / 932,687.81-1,399,031.69-258,769.22

Finding the Fourth Proportional to 932,687.81, 1,399,031.69 and 258,769.22

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Solution

The fourth proportional to 932,687.81, 1,399,031.69 and 258,769.22 is: 388,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,687.81 : 1,399,031.69 = 258,769.22 : x
  2. Step 2: Convert to fraction form
    932,687.81/1,399,031.69 = 258,769.22/x
  3. Step 3: Cross multiply
    932,687.81x = 1,399,031.69 × 258,769.22
  4. Step 4: Simplify right side
    932,687.81x = 362,026,339,176.58
  5. Step 5: Solve for x
    x = 362,026,339,176.58/932,687.81
  6. Step 6: Final answer
    x = 388,153.82

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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.