Home / 654,327.95-981,778.67-317,627.15

Finding the Fourth Proportional to 654,327.95, 981,778.67 and 317,627.15

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Solution

The fourth proportional to 654,327.95, 981,778.67 and 317,627.15 is: 476,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,327.95 : 981,778.67 = 317,627.15 : x
  2. Step 2: Convert to fraction form
    654,327.95/981,778.67 = 317,627.15/x
  3. Step 3: Cross multiply
    654,327.95x = 981,778.67 × 317,627.15
  4. Step 4: Simplify right side
    654,327.95x = 311,839,564,131.41
  5. Step 5: Solve for x
    x = 311,839,564,131.41/654,327.95
  6. Step 6: Final answer
    x = 476,579.92

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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.