Home / 646,938.80-970,062.60-226,228.40

Finding the Fourth Proportional to 646,938.80, 970,062.60 and 226,228.40

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Solution

The fourth proportional to 646,938.80, 970,062.60 and 226,228.40 is: 339,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,938.80 : 970,062.60 = 226,228.40 : x
  2. Step 2: Convert to fraction form
    646,938.80/970,062.60 = 226,228.40/x
  3. Step 3: Cross multiply
    646,938.80x = 970,062.60 × 226,228.40
  4. Step 4: Simplify right side
    646,938.80x = 219,455,709,897.84
  5. Step 5: Solve for x
    x = 219,455,709,897.84/646,938.80
  6. Step 6: Final answer
    x = 339,221.75

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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.