Home / 889,049.72-1,333,617.54-290,009.72

Finding the Fourth Proportional to 889,049.72, 1,333,617.54 and 290,009.72

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Solution

The fourth proportional to 889,049.72, 1,333,617.54 and 290,009.72 is: 435,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,049.72 : 1,333,617.54 = 290,009.72 : x
  2. Step 2: Convert to fraction form
    889,049.72/1,333,617.54 = 290,009.72/x
  3. Step 3: Cross multiply
    889,049.72x = 1,333,617.54 × 290,009.72
  4. Step 4: Simplify right side
    889,049.72x = 386,762,049,362.49
  5. Step 5: Solve for x
    x = 386,762,049,362.49/889,049.72
  6. Step 6: Final answer
    x = 435,028.59

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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.