Home / 402,011.71-554,777.24-220,735.33

Finding the Fourth Proportional to 402,011.71, 554,777.24 and 220,735.33

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Solution

The fourth proportional to 402,011.71, 554,777.24 and 220,735.33 is: 304,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,011.71 : 554,777.24 = 220,735.33 : x
  2. Step 2: Convert to fraction form
    402,011.71/554,777.24 = 220,735.33/x
  3. Step 3: Cross multiply
    402,011.71x = 554,777.24 × 220,735.33
  4. Step 4: Simplify right side
    402,011.71x = 122,458,934,657.27
  5. Step 5: Solve for x
    x = 122,458,934,657.27/402,011.71
  6. Step 6: Final answer
    x = 304,615.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.