Home / 540,190.14-745,458.03-298,471.74

Finding the Fourth Proportional to 540,190.14, 745,458.03 and 298,471.74

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Solution

The fourth proportional to 540,190.14, 745,458.03 and 298,471.74 is: 411,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,190.14 : 745,458.03 = 298,471.74 : x
  2. Step 2: Convert to fraction form
    540,190.14/745,458.03 = 298,471.74/x
  3. Step 3: Cross multiply
    540,190.14x = 745,458.03 × 298,471.74
  4. Step 4: Simplify right side
    540,190.14x = 222,498,155,311.07
  5. Step 5: Solve for x
    x = 222,498,155,311.07/540,190.14
  6. Step 6: Final answer
    x = 411,888.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.