Home / 679,959.36-1,020,055.68-206,691.84

Finding the Fourth Proportional to 679,959.36, 1,020,055.68 and 206,691.84

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Solution

The fourth proportional to 679,959.36, 1,020,055.68 and 206,691.84 is: 310,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,959.36 : 1,020,055.68 = 206,691.84 : x
  2. Step 2: Convert to fraction form
    679,959.36/1,020,055.68 = 206,691.84/x
  3. Step 3: Cross multiply
    679,959.36x = 1,020,055.68 × 206,691.84
  4. Step 4: Simplify right side
    679,959.36x = 210,837,185,401.65
  5. Step 5: Solve for x
    x = 210,837,185,401.65/679,959.36
  6. Step 6: Final answer
    x = 310,073.22

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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.