Home / 798,278.28-1,195,714.98-645,821.16

Finding the Fourth Proportional to 798,278.28, 1,195,714.98 and 645,821.16

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Solution

The fourth proportional to 798,278.28, 1,195,714.98 and 645,821.16 is: 967,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,278.28 : 1,195,714.98 = 645,821.16 : x
  2. Step 2: Convert to fraction form
    798,278.28/1,195,714.98 = 645,821.16/x
  3. Step 3: Cross multiply
    798,278.28x = 1,195,714.98 × 645,821.16
  4. Step 4: Simplify right side
    798,278.28x = 772,218,035,412.98
  5. Step 5: Solve for x
    x = 772,218,035,412.98/798,278.28
  6. Step 6: Final answer
    x = 967,354.44

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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.