Home / 889,215.66-1,334,035.69-290,177.93

Finding the Fourth Proportional to 889,215.66, 1,334,035.69 and 290,177.93

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Solution

The fourth proportional to 889,215.66, 1,334,035.69 and 290,177.93 is: 435,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,215.66 : 1,334,035.69 = 290,177.93 : x
  2. Step 2: Convert to fraction form
    889,215.66/1,334,035.69 = 290,177.93/x
  3. Step 3: Cross multiply
    889,215.66x = 1,334,035.69 × 290,177.93
  4. Step 4: Simplify right side
    889,215.66x = 387,107,720,181.28
  5. Step 5: Solve for x
    x = 387,107,720,181.28/889,215.66
  6. Step 6: Final answer
    x = 435,336.15

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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.