Home / 646,599.20-970,344.39-225,875.07

Finding the Fourth Proportional to 646,599.20, 970,344.39 and 225,875.07

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Solution

The fourth proportional to 646,599.20, 970,344.39 and 225,875.07 is: 338,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,599.20 : 970,344.39 = 225,875.07 : x
  2. Step 2: Convert to fraction form
    646,599.20/970,344.39 = 225,875.07/x
  3. Step 3: Cross multiply
    646,599.20x = 970,344.39 × 225,875.07
  4. Step 4: Simplify right side
    646,599.20x = 219,176,607,015.36
  5. Step 5: Solve for x
    x = 219,176,607,015.36/646,599.20
  6. Step 6: Final answer
    x = 338,968.26

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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.