Home / 753,538.15-1,130,081.78-248,005.81

Finding the Fourth Proportional to 753,538.15, 1,130,081.78 and 248,005.81

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Solution

The fourth proportional to 753,538.15, 1,130,081.78 and 248,005.81 is: 371,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,538.15 : 1,130,081.78 = 248,005.81 : x
  2. Step 2: Convert to fraction form
    753,538.15/1,130,081.78 = 248,005.81/x
  3. Step 3: Cross multiply
    753,538.15x = 1,130,081.78 × 248,005.81
  4. Step 4: Simplify right side
    753,538.15x = 280,266,845,975.11
  5. Step 5: Solve for x
    x = 280,266,845,975.11/753,538.15
  6. Step 6: Final answer
    x = 371,934.51

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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.