Home / 801,329.70-1,201,990.02-202,288.40

Finding the Fourth Proportional to 801,329.70, 1,201,990.02 and 202,288.40

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Solution

The fourth proportional to 801,329.70, 1,201,990.02 and 202,288.40 is: 303,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,329.70 : 1,201,990.02 = 202,288.40 : x
  2. Step 2: Convert to fraction form
    801,329.70/1,201,990.02 = 202,288.40/x
  3. Step 3: Cross multiply
    801,329.70x = 1,201,990.02 × 202,288.40
  4. Step 4: Simplify right side
    801,329.70x = 243,148,637,961.77
  5. Step 5: Solve for x
    x = 243,148,637,961.77/801,329.70
  6. Step 6: Final answer
    x = 303,431.46

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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.