Home / 540,275.06-745,559.52-298,552.61

Finding the Fourth Proportional to 540,275.06, 745,559.52 and 298,552.61

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Solution

The fourth proportional to 540,275.06, 745,559.52 and 298,552.61 is: 411,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,275.06 : 745,559.52 = 298,552.61 : x
  2. Step 2: Convert to fraction form
    540,275.06/745,559.52 = 298,552.61/x
  3. Step 3: Cross multiply
    540,275.06x = 745,559.52 × 298,552.61
  4. Step 4: Simplify right side
    540,275.06x = 222,588,740,606.35
  5. Step 5: Solve for x
    x = 222,588,740,606.35/540,275.06
  6. Step 6: Final answer
    x = 411,991.52

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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.