Home / 610,742.60-842,824.05-338,851.70

Finding the Fourth Proportional to 610,742.60, 842,824.05 and 338,851.70

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Solution

The fourth proportional to 610,742.60, 842,824.05 and 338,851.70 is: 467,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,742.60 : 842,824.05 = 338,851.70 : x
  2. Step 2: Convert to fraction form
    610,742.60/842,824.05 = 338,851.70/x
  3. Step 3: Cross multiply
    610,742.60x = 842,824.05 × 338,851.70
  4. Step 4: Simplify right side
    610,742.60x = 285,592,362,143.39
  5. Step 5: Solve for x
    x = 285,592,362,143.39/610,742.60
  6. Step 6: Final answer
    x = 467,614.94

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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.