Home / 677,977.08-1,016,964.63-278,336.31

Finding the Fourth Proportional to 677,977.08, 1,016,964.63 and 278,336.31

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Solution

The fourth proportional to 677,977.08, 1,016,964.63 and 278,336.31 is: 417,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,977.08 : 1,016,964.63 = 278,336.31 : x
  2. Step 2: Convert to fraction form
    677,977.08/1,016,964.63 = 278,336.31/x
  3. Step 3: Cross multiply
    677,977.08x = 1,016,964.63 × 278,336.31
  4. Step 4: Simplify right side
    677,977.08x = 283,058,182,514.72
  5. Step 5: Solve for x
    x = 283,058,182,514.72/677,977.08
  6. Step 6: Final answer
    x = 417,504.06

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1.5x scale

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.