Home / 923,933.05-1,385,937.74-317,138.17

Finding the Fourth Proportional to 923,933.05, 1,385,937.74 and 317,138.17

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Solution

The fourth proportional to 923,933.05, 1,385,937.74 and 317,138.17 is: 475,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,933.05 : 1,385,937.74 = 317,138.17 : x
  2. Step 2: Convert to fraction form
    923,933.05/1,385,937.74 = 317,138.17/x
  3. Step 3: Cross multiply
    923,933.05x = 1,385,937.74 × 317,138.17
  4. Step 4: Simplify right side
    923,933.05x = 439,533,750,082.16
  5. Step 5: Solve for x
    x = 439,533,750,082.16/923,933.05
  6. Step 6: Final answer
    x = 475,720.35

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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.