Home / 841,278.15-1,261,928.16-242,249.13

Finding the Fourth Proportional to 841,278.15, 1,261,928.16 and 242,249.13

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Solution

The fourth proportional to 841,278.15, 1,261,928.16 and 242,249.13 is: 363,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,278.15 : 1,261,928.16 = 242,249.13 : x
  2. Step 2: Convert to fraction form
    841,278.15/1,261,928.16 = 242,249.13/x
  3. Step 3: Cross multiply
    841,278.15x = 1,261,928.16 × 242,249.13
  4. Step 4: Simplify right side
    841,278.15x = 305,700,998,882.50
  5. Step 5: Solve for x
    x = 305,700,998,882.50/841,278.15
  6. Step 6: Final answer
    x = 363,376.84

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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.