Home / 872,954.90-1,309,752.20-367,643.08

Finding the Fourth Proportional to 872,954.90, 1,309,752.20 and 367,643.08

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Solution

The fourth proportional to 872,954.90, 1,309,752.20 and 367,643.08 is: 551,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,954.90 : 1,309,752.20 = 367,643.08 : x
  2. Step 2: Convert to fraction form
    872,954.90/1,309,752.20 = 367,643.08/x
  3. Step 3: Cross multiply
    872,954.90x = 1,309,752.20 × 367,643.08
  4. Step 4: Simplify right side
    872,954.90x = 481,521,332,844.78
  5. Step 5: Solve for x
    x = 481,521,332,844.78/872,954.90
  6. Step 6: Final answer
    x = 551,599.32

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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.