Home / 875,178.95-1,312,768.62-276,186.78

Finding the Fourth Proportional to 875,178.95, 1,312,768.62 and 276,186.78

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Solution

The fourth proportional to 875,178.95, 1,312,768.62 and 276,186.78 is: 414,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,178.95 : 1,312,768.62 = 276,186.78 : x
  2. Step 2: Convert to fraction form
    875,178.95/1,312,768.62 = 276,186.78/x
  3. Step 3: Cross multiply
    875,178.95x = 1,312,768.62 × 276,186.78
  4. Step 4: Simplify right side
    875,178.95x = 362,569,338,042.84
  5. Step 5: Solve for x
    x = 362,569,338,042.84/875,178.95
  6. Step 6: Final answer
    x = 414,280.23

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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.