Home / 677,930.04-1,016,496.36-257,235.48

Finding the Fourth Proportional to 677,930.04, 1,016,496.36 and 257,235.48

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Solution

The fourth proportional to 677,930.04, 1,016,496.36 and 257,235.48 is: 385,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,930.04 : 1,016,496.36 = 257,235.48 : x
  2. Step 2: Convert to fraction form
    677,930.04/1,016,496.36 = 257,235.48/x
  3. Step 3: Cross multiply
    677,930.04x = 1,016,496.36 × 257,235.48
  4. Step 4: Simplify right side
    677,930.04x = 261,478,929,082.85
  5. Step 5: Solve for x
    x = 261,478,929,082.85/677,930.04
  6. Step 6: Final answer
    x = 385,701.94

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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.