Home / 889,864.66-1,334,786.95-215,953.36

Finding the Fourth Proportional to 889,864.66, 1,334,786.95 and 215,953.36

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Solution

The fourth proportional to 889,864.66, 1,334,786.95 and 215,953.36 is: 323,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,864.66 : 1,334,786.95 = 215,953.36 : x
  2. Step 2: Convert to fraction form
    889,864.66/1,334,786.95 = 215,953.36/x
  3. Step 3: Cross multiply
    889,864.66x = 1,334,786.95 × 215,953.36
  4. Step 4: Simplify right side
    889,864.66x = 288,251,726,736.65
  5. Step 5: Solve for x
    x = 288,251,726,736.65/889,864.66
  6. Step 6: Final answer
    x = 323,927.60

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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.