Home / 875,378.28-1,312,574.91-276,227.76

Finding the Fourth Proportional to 875,378.28, 1,312,574.91 and 276,227.76

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Solution

The fourth proportional to 875,378.28, 1,312,574.91 and 276,227.76 is: 414,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,378.28 : 1,312,574.91 = 276,227.76 : x
  2. Step 2: Convert to fraction form
    875,378.28/1,312,574.91 = 276,227.76/x
  3. Step 3: Cross multiply
    875,378.28x = 1,312,574.91 × 276,227.76
  4. Step 4: Simplify right side
    875,378.28x = 362,569,627,221.50
  5. Step 5: Solve for x
    x = 362,569,627,221.50/875,378.28
  6. Step 6: Final answer
    x = 414,186.23

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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.