Home / 798,648.65-1,102,128.18-436,070.78

Finding the Fourth Proportional to 798,648.65, 1,102,128.18 and 436,070.78

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Solution

The fourth proportional to 798,648.65, 1,102,128.18 and 436,070.78 is: 601,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,648.65 : 1,102,128.18 = 436,070.78 : x
  2. Step 2: Convert to fraction form
    798,648.65/1,102,128.18 = 436,070.78/x
  3. Step 3: Cross multiply
    798,648.65x = 1,102,128.18 × 436,070.78
  4. Step 4: Simplify right side
    798,648.65x = 480,605,895,112.58
  5. Step 5: Solve for x
    x = 480,605,895,112.58/798,648.65
  6. Step 6: Final answer
    x = 601,773.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.