Home / 924,744.20-1,387,116.30-259,809.80

Finding the Fourth Proportional to 924,744.20, 1,387,116.30 and 259,809.80

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Solution

The fourth proportional to 924,744.20, 1,387,116.30 and 259,809.80 is: 389,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,744.20 : 1,387,116.30 = 259,809.80 : x
  2. Step 2: Convert to fraction form
    924,744.20/1,387,116.30 = 259,809.80/x
  3. Step 3: Cross multiply
    924,744.20x = 1,387,116.30 × 259,809.80
  4. Step 4: Simplify right side
    924,744.20x = 360,386,408,479.74
  5. Step 5: Solve for x
    x = 360,386,408,479.74/924,744.20
  6. Step 6: Final answer
    x = 389,714.70

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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.