Home / 889,251.38-1,334,089.29-290,213.65

Finding the Fourth Proportional to 889,251.38, 1,334,089.29 and 290,213.65

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Solution

The fourth proportional to 889,251.38, 1,334,089.29 and 290,213.65 is: 435,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,251.38 : 1,334,089.29 = 290,213.65 : x
  2. Step 2: Convert to fraction form
    889,251.38/1,334,089.29 = 290,213.65/x
  3. Step 3: Cross multiply
    889,251.38x = 1,334,089.29 × 290,213.65
  4. Step 4: Simplify right side
    889,251.38x = 387,170,925,032.72
  5. Step 5: Solve for x
    x = 387,170,925,032.72/889,251.38
  6. Step 6: Final answer
    x = 435,389.74

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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.