Home / 768,895.74-1,153,256.13-207,886.50

Finding the Fourth Proportional to 768,895.74, 1,153,256.13 and 207,886.50

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Solution

The fourth proportional to 768,895.74, 1,153,256.13 and 207,886.50 is: 311,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,895.74 : 1,153,256.13 = 207,886.50 : x
  2. Step 2: Convert to fraction form
    768,895.74/1,153,256.13 = 207,886.50/x
  3. Step 3: Cross multiply
    768,895.74x = 1,153,256.13 × 207,886.50
  4. Step 4: Simplify right side
    768,895.74x = 239,746,380,469.25
  5. Step 5: Solve for x
    x = 239,746,380,469.25/768,895.74
  6. Step 6: Final answer
    x = 311,806.10

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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.