Home / 646,922.10-970,383.15-366,986.10

Finding the Fourth Proportional to 646,922.10, 970,383.15 and 366,986.10

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Solution

The fourth proportional to 646,922.10, 970,383.15 and 366,986.10 is: 550,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,922.10 : 970,383.15 = 366,986.10 : x
  2. Step 2: Convert to fraction form
    646,922.10/970,383.15 = 366,986.10/x
  3. Step 3: Cross multiply
    646,922.10x = 970,383.15 × 366,986.10
  4. Step 4: Simplify right side
    646,922.10x = 356,117,127,724.22
  5. Step 5: Solve for x
    x = 356,117,127,724.22/646,922.10
  6. Step 6: Final answer
    x = 550,479.15

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Similar ratio
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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.