Home / 906,921.73-1,360,337.76-338,258.53

Finding the Fourth Proportional to 906,921.73, 1,360,337.76 and 338,258.53

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Solution

The fourth proportional to 906,921.73, 1,360,337.76 and 338,258.53 is: 507,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,921.73 : 1,360,337.76 = 338,258.53 : x
  2. Step 2: Convert to fraction form
    906,921.73/1,360,337.76 = 338,258.53/x
  3. Step 3: Cross multiply
    906,921.73x = 1,360,337.76 × 338,258.53
  4. Step 4: Simplify right side
    906,921.73x = 460,145,847,600.25
  5. Step 5: Solve for x
    x = 460,145,847,600.25/906,921.73
  6. Step 6: Final answer
    x = 507,371.07

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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.