Home / 801,040.08-1,105,436.93-438,487.07

Finding the Fourth Proportional to 801,040.08, 1,105,436.93 and 438,487.07

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Solution

The fourth proportional to 801,040.08, 1,105,436.93 and 438,487.07 is: 605,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,040.08 : 1,105,436.93 = 438,487.07 : x
  2. Step 2: Convert to fraction form
    801,040.08/1,105,436.93 = 438,487.07/x
  3. Step 3: Cross multiply
    801,040.08x = 1,105,436.93 × 438,487.07
  4. Step 4: Simplify right side
    801,040.08x = 484,719,802,720.98
  5. Step 5: Solve for x
    x = 484,719,802,720.98/801,040.08
  6. Step 6: Final answer
    x = 605,113.05

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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.