Home / 612,294.78-844,985.07-370,621.56

Finding the Fourth Proportional to 612,294.78, 844,985.07 and 370,621.56

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Solution

The fourth proportional to 612,294.78, 844,985.07 and 370,621.56 is: 511,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,294.78 : 844,985.07 = 370,621.56 : x
  2. Step 2: Convert to fraction form
    612,294.78/844,985.07 = 370,621.56/x
  3. Step 3: Cross multiply
    612,294.78x = 844,985.07 × 370,621.56
  4. Step 4: Simplify right side
    612,294.78x = 313,169,684,820.11
  5. Step 5: Solve for x
    x = 313,169,684,820.11/612,294.78
  6. Step 6: Final answer
    x = 511,468.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.