Home / 780,278.94-1,170,458.91-247,841.64

Finding the Fourth Proportional to 780,278.94, 1,170,458.91 and 247,841.64

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Solution

The fourth proportional to 780,278.94, 1,170,458.91 and 247,841.64 is: 371,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,278.94 : 1,170,458.91 = 247,841.64 : x
  2. Step 2: Convert to fraction form
    780,278.94/1,170,458.91 = 247,841.64/x
  3. Step 3: Cross multiply
    780,278.94x = 1,170,458.91 × 247,841.64
  4. Step 4: Simplify right side
    780,278.94x = 290,088,455,807.01
  5. Step 5: Solve for x
    x = 290,088,455,807.01/780,278.94
  6. Step 6: Final answer
    x = 371,775.32

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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.