Home / 677,903.84-1,016,861.80-172,465.52

Finding the Fourth Proportional to 677,903.84, 1,016,861.80 and 172,465.52

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Solution

The fourth proportional to 677,903.84, 1,016,861.80 and 172,465.52 is: 258,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,903.84 : 1,016,861.80 = 172,465.52 : x
  2. Step 2: Convert to fraction form
    677,903.84/1,016,861.80 = 172,465.52/x
  3. Step 3: Cross multiply
    677,903.84x = 1,016,861.80 × 172,465.52
  4. Step 4: Simplify right side
    677,903.84x = 175,373,599,105.14
  5. Step 5: Solve for x
    x = 175,373,599,105.14/677,903.84
  6. Step 6: Final answer
    x = 258,699.82

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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.