Home / 654,343.34-981,092.18-312,646.46

Finding the Fourth Proportional to 654,343.34, 981,092.18 and 312,646.46

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Solution

The fourth proportional to 654,343.34, 981,092.18 and 312,646.46 is: 468,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,343.34 : 981,092.18 = 312,646.46 : x
  2. Step 2: Convert to fraction form
    654,343.34/981,092.18 = 312,646.46/x
  3. Step 3: Cross multiply
    654,343.34x = 981,092.18 × 312,646.46
  4. Step 4: Simplify right side
    654,343.34x = 306,734,992,886.84
  5. Step 5: Solve for x
    x = 306,734,992,886.84/654,343.34
  6. Step 6: Final answer
    x = 468,767.66

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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.