Home / 755,638.81-1,133,031.75-282,131.44

Finding the Fourth Proportional to 755,638.81, 1,133,031.75 and 282,131.44

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Solution

The fourth proportional to 755,638.81, 1,133,031.75 and 282,131.44 is: 423,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,638.81 : 1,133,031.75 = 282,131.44 : x
  2. Step 2: Convert to fraction form
    755,638.81/1,133,031.75 = 282,131.44/x
  3. Step 3: Cross multiply
    755,638.81x = 1,133,031.75 × 282,131.44
  4. Step 4: Simplify right side
    755,638.81x = 319,663,875,302.65
  5. Step 5: Solve for x
    x = 319,663,875,302.65/755,638.81
  6. Step 6: Final answer
    x = 423,037.93

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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.