Home / 452,540.28-678,957.84-215,852.16

Finding the Fourth Proportional to 452,540.28, 678,957.84 and 215,852.16

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Solution

The fourth proportional to 452,540.28, 678,957.84 and 215,852.16 is: 323,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,540.28 : 678,957.84 = 215,852.16 : x
  2. Step 2: Convert to fraction form
    452,540.28/678,957.84 = 215,852.16/x
  3. Step 3: Cross multiply
    452,540.28x = 678,957.84 × 215,852.16
  4. Step 4: Simplify right side
    452,540.28x = 146,554,516,312.93
  5. Step 5: Solve for x
    x = 146,554,516,312.93/452,540.28
  6. Step 6: Final answer
    x = 323,848.56

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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.