Home / 923,932.86-1,385,938.17-317,139.18

Finding the Fourth Proportional to 923,932.86, 1,385,938.17 and 317,139.18

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Solution

The fourth proportional to 923,932.86, 1,385,938.17 and 317,139.18 is: 475,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,932.86 : 1,385,938.17 = 317,139.18 : x
  2. Step 2: Convert to fraction form
    923,932.86/1,385,938.17 = 317,139.18/x
  3. Step 3: Cross multiply
    923,932.86x = 1,385,938.17 × 317,139.18
  4. Step 4: Simplify right side
    923,932.86x = 439,535,294,764.50
  5. Step 5: Solve for x
    x = 439,535,294,764.50/923,932.86
  6. Step 6: Final answer
    x = 475,722.12

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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.