Home / 677,969.08-1,016,952.60-278,328.33

Finding the Fourth Proportional to 677,969.08, 1,016,952.60 and 278,328.33

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Solution

The fourth proportional to 677,969.08, 1,016,952.60 and 278,328.33 is: 417,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,969.08 : 1,016,952.60 = 278,328.33 : x
  2. Step 2: Convert to fraction form
    677,969.08/1,016,952.60 = 278,328.33/x
  3. Step 3: Cross multiply
    677,969.08x = 1,016,952.60 × 278,328.33
  4. Step 4: Simplify right side
    677,969.08x = 283,046,718,847.16
  5. Step 5: Solve for x
    x = 283,046,718,847.16/677,969.08
  6. Step 6: Final answer
    x = 417,492.08

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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.