Home / 680,292.07-1,020,585.72-206,965.13

Finding the Fourth Proportional to 680,292.07, 1,020,585.72 and 206,965.13

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Solution

The fourth proportional to 680,292.07, 1,020,585.72 and 206,965.13 is: 310,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,292.07 : 1,020,585.72 = 206,965.13 : x
  2. Step 2: Convert to fraction form
    680,292.07/1,020,585.72 = 206,965.13/x
  3. Step 3: Cross multiply
    680,292.07x = 1,020,585.72 × 206,965.13
  4. Step 4: Simplify right side
    680,292.07x = 211,225,651,889.13
  5. Step 5: Solve for x
    x = 211,225,651,889.13/680,292.07
  6. Step 6: Final answer
    x = 310,492.60

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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.