Home / 924,371.20-1,386,556.80-418,736.80

Finding the Fourth Proportional to 924,371.20, 1,386,556.80 and 418,736.80

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Solution

The fourth proportional to 924,371.20, 1,386,556.80 and 418,736.80 is: 628,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,371.20 : 1,386,556.80 = 418,736.80 : x
  2. Step 2: Convert to fraction form
    924,371.20/1,386,556.80 = 418,736.80/x
  3. Step 3: Cross multiply
    924,371.20x = 1,386,556.80 × 418,736.80
  4. Step 4: Simplify right side
    924,371.20x = 580,602,357,450.24
  5. Step 5: Solve for x
    x = 580,602,357,450.24/924,371.20
  6. Step 6: Final answer
    x = 628,105.20

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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.