Home / 646,374.91-969,747.35-220,004.68

Finding the Fourth Proportional to 646,374.91, 969,747.35 and 220,004.68

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Solution

The fourth proportional to 646,374.91, 969,747.35 and 220,004.68 is: 330,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,374.91 : 969,747.35 = 220,004.68 : x
  2. Step 2: Convert to fraction form
    646,374.91/969,747.35 = 220,004.68/x
  3. Step 3: Cross multiply
    646,374.91x = 969,747.35 × 220,004.68
  4. Step 4: Simplify right side
    646,374.91x = 213,348,955,417.60
  5. Step 5: Solve for x
    x = 213,348,955,417.60/646,374.91
  6. Step 6: Final answer
    x = 330,069.98

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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.