Home / 898,989.34-1,348,535.84-338,028.70

Finding the Fourth Proportional to 898,989.34, 1,348,535.84 and 338,028.70

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Solution

The fourth proportional to 898,989.34, 1,348,535.84 and 338,028.70 is: 507,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,989.34 : 1,348,535.84 = 338,028.70 : x
  2. Step 2: Convert to fraction form
    898,989.34/1,348,535.84 = 338,028.70/x
  3. Step 3: Cross multiply
    898,989.34x = 1,348,535.84 × 338,028.70
  4. Step 4: Simplify right side
    898,989.34x = 455,843,816,898.61
  5. Step 5: Solve for x
    x = 455,843,816,898.61/898,989.34
  6. Step 6: Final answer
    x = 507,062.54

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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.