Home / 746,999.10-1,120,498.65-214,472.70

Finding the Fourth Proportional to 746,999.10, 1,120,498.65 and 214,472.70

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Solution

The fourth proportional to 746,999.10, 1,120,498.65 and 214,472.70 is: 321,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,999.10 : 1,120,498.65 = 214,472.70 : x
  2. Step 2: Convert to fraction form
    746,999.10/1,120,498.65 = 214,472.70/x
  3. Step 3: Cross multiply
    746,999.10x = 1,120,498.65 × 214,472.70
  4. Step 4: Simplify right side
    746,999.10x = 240,316,370,811.86
  5. Step 5: Solve for x
    x = 240,316,370,811.86/746,999.10
  6. Step 6: Final answer
    x = 321,709.05

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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.