Home / 924,743.20-1,387,114.77-259,895.20

Finding the Fourth Proportional to 924,743.20, 1,387,114.77 and 259,895.20

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Solution

The fourth proportional to 924,743.20, 1,387,114.77 and 259,895.20 is: 389,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,743.20 : 1,387,114.77 = 259,895.20 : x
  2. Step 2: Convert to fraction form
    924,743.20/1,387,114.77 = 259,895.20/x
  3. Step 3: Cross multiply
    924,743.20x = 1,387,114.77 × 259,895.20
  4. Step 4: Simplify right side
    924,743.20x = 360,504,470,572.10
  5. Step 5: Solve for x
    x = 360,504,470,572.10/924,743.20
  6. Step 6: Final answer
    x = 389,842.79

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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.