Home / 924,739.40-1,387,109.10-259,891.40

Finding the Fourth Proportional to 924,739.40, 1,387,109.10 and 259,891.40

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Solution

The fourth proportional to 924,739.40, 1,387,109.10 and 259,891.40 is: 389,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,739.40 : 1,387,109.10 = 259,891.40 : x
  2. Step 2: Convert to fraction form
    924,739.40/1,387,109.10 = 259,891.40/x
  3. Step 3: Cross multiply
    924,739.40x = 1,387,109.10 × 259,891.40
  4. Step 4: Simplify right side
    924,739.40x = 360,497,725,951.74
  5. Step 5: Solve for x
    x = 360,497,725,951.74/924,739.40
  6. Step 6: Final answer
    x = 389,837.10

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1.5x scale

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.