Home / 654,323.97-981,484.45-205,079.07

Finding the Fourth Proportional to 654,323.97, 981,484.45 and 205,079.07

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Solution

The fourth proportional to 654,323.97, 981,484.45 and 205,079.07 is: 307,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,323.97 : 981,484.45 = 205,079.07 : x
  2. Step 2: Convert to fraction form
    654,323.97/981,484.45 = 205,079.07/x
  3. Step 3: Cross multiply
    654,323.97x = 981,484.45 × 205,079.07
  4. Step 4: Simplify right side
    654,323.97x = 201,281,918,225.46
  5. Step 5: Solve for x
    x = 201,281,918,225.46/654,323.97
  6. Step 6: Final answer
    x = 307,618.13

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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.