Home / 889,541.72-1,334,394.63-290,506.01

Finding the Fourth Proportional to 889,541.72, 1,334,394.63 and 290,506.01

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Solution

The fourth proportional to 889,541.72, 1,334,394.63 and 290,506.01 is: 435,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,541.72 : 1,334,394.63 = 290,506.01 : x
  2. Step 2: Convert to fraction form
    889,541.72/1,334,394.63 = 290,506.01/x
  3. Step 3: Cross multiply
    889,541.72x = 1,334,394.63 × 290,506.01
  4. Step 4: Simplify right side
    889,541.72x = 387,649,659,726.73
  5. Step 5: Solve for x
    x = 387,649,659,726.73/889,541.72
  6. Step 6: Final answer
    x = 435,785.81

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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.