Home / 923,934.05-1,385,939.24-317,139.17

Finding the Fourth Proportional to 923,934.05, 1,385,939.24 and 317,139.17

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Solution

The fourth proportional to 923,934.05, 1,385,939.24 and 317,139.17 is: 475,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,934.05 : 1,385,939.24 = 317,139.17 : x
  2. Step 2: Convert to fraction form
    923,934.05/1,385,939.24 = 317,139.17/x
  3. Step 3: Cross multiply
    923,934.05x = 1,385,939.24 × 317,139.17
  4. Step 4: Simplify right side
    923,934.05x = 439,535,620,244.03
  5. Step 5: Solve for x
    x = 439,535,620,244.03/923,934.05
  6. Step 6: Final answer
    x = 475,721.86

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1.5x scale

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.