Home / 677,570.52-1,016,466.30-278,104.08

Finding the Fourth Proportional to 677,570.52, 1,016,466.30 and 278,104.08

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Solution

The fourth proportional to 677,570.52, 1,016,466.30 and 278,104.08 is: 417,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,570.52 : 1,016,466.30 = 278,104.08 : x
  2. Step 2: Convert to fraction form
    677,570.52/1,016,466.30 = 278,104.08/x
  3. Step 3: Cross multiply
    677,570.52x = 1,016,466.30 × 278,104.08
  4. Step 4: Simplify right side
    677,570.52x = 282,683,425,212.50
  5. Step 5: Solve for x
    x = 282,683,425,212.50/677,570.52
  6. Step 6: Final answer
    x = 417,201.48

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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.