Home / 317,799.88-437,917.28-295,377.72

Finding the Fourth Proportional to 317,799.88, 437,917.28 and 295,377.72

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Solution

The fourth proportional to 317,799.88, 437,917.28 and 295,377.72 is: 407,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,799.88 : 437,917.28 = 295,377.72 : x
  2. Step 2: Convert to fraction form
    317,799.88/437,917.28 = 295,377.72/x
  3. Step 3: Cross multiply
    317,799.88x = 437,917.28 × 295,377.72
  4. Step 4: Simplify right side
    317,799.88x = 129,351,007,715.00
  5. Step 5: Solve for x
    x = 129,351,007,715.00/317,799.88
  6. Step 6: Final answer
    x = 407,020.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.