Home / 924,756.75-1,387,135.13-259,908.75

Finding the Fourth Proportional to 924,756.75, 1,387,135.13 and 259,908.75

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Solution

The fourth proportional to 924,756.75, 1,387,135.13 and 259,908.75 is: 389,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,756.75 : 1,387,135.13 = 259,908.75 : x
  2. Step 2: Convert to fraction form
    924,756.75/1,387,135.13 = 259,908.75/x
  3. Step 3: Cross multiply
    924,756.75x = 1,387,135.13 × 259,908.75
  4. Step 4: Simplify right side
    924,756.75x = 360,528,556,419.84
  5. Step 5: Solve for x
    x = 360,528,556,419.84/924,756.75
  6. Step 6: Final answer
    x = 389,863.13

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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.