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Finding the Fourth Proportional to 540,034.56, 745,144.92 and 325,188.54

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Solution

The fourth proportional to 540,034.56, 745,144.92 and 325,188.54 is: 448,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,034.56 : 745,144.92 = 325,188.54 : x
  2. Step 2: Convert to fraction form
    540,034.56/745,144.92 = 325,188.54/x
  3. Step 3: Cross multiply
    540,034.56x = 745,144.92 × 325,188.54
  4. Step 4: Simplify right side
    540,034.56x = 242,312,588,623.22
  5. Step 5: Solve for x
    x = 242,312,588,623.22/540,034.56
  6. Step 6: Final answer
    x = 448,698.30

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1.5x scale

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.