Home / 801,323.70-1,201,981.02-202,282.40

Finding the Fourth Proportional to 801,323.70, 1,201,981.02 and 202,282.40

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Solution

The fourth proportional to 801,323.70, 1,201,981.02 and 202,282.40 is: 303,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,323.70 : 1,201,981.02 = 202,282.40 : x
  2. Step 2: Convert to fraction form
    801,323.70/1,201,981.02 = 202,282.40/x
  3. Step 3: Cross multiply
    801,323.70x = 1,201,981.02 × 202,282.40
  4. Step 4: Simplify right side
    801,323.70x = 243,139,605,480.05
  5. Step 5: Solve for x
    x = 243,139,605,480.05/801,323.70
  6. Step 6: Final answer
    x = 303,422.46

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1.5x scale

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.