Home / 923,934.55-1,385,939.99-317,139.67

Finding the Fourth Proportional to 923,934.55, 1,385,939.99 and 317,139.67

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Solution

The fourth proportional to 923,934.55, 1,385,939.99 and 317,139.67 is: 475,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,934.55 : 1,385,939.99 = 317,139.67 : x
  2. Step 2: Convert to fraction form
    923,934.55/1,385,939.99 = 317,139.67/x
  3. Step 3: Cross multiply
    923,934.55x = 1,385,939.99 × 317,139.67
  4. Step 4: Simplify right side
    923,934.55x = 439,536,551,068.40
  5. Step 5: Solve for x
    x = 439,536,551,068.40/923,934.55
  6. Step 6: Final answer
    x = 475,722.61

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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.