Home / 714,911.77-1,072,514.87-209,489.18

Finding the Fourth Proportional to 714,911.77, 1,072,514.87 and 209,489.18

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Solution

The fourth proportional to 714,911.77, 1,072,514.87 and 209,489.18 is: 314,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,911.77 : 1,072,514.87 = 209,489.18 : x
  2. Step 2: Convert to fraction form
    714,911.77/1,072,514.87 = 209,489.18/x
  3. Step 3: Cross multiply
    714,911.77x = 1,072,514.87 × 209,489.18
  4. Step 4: Simplify right side
    714,911.77x = 224,680,259,606.66
  5. Step 5: Solve for x
    x = 224,680,259,606.66/714,911.77
  6. Step 6: Final answer
    x = 314,276.91

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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.