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Finding the Fourth Proportional to 540,344.72, 745,676.60 and 298,627.22

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Solution

The fourth proportional to 540,344.72, 745,676.60 and 298,627.22 is: 412,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,344.72 : 745,676.60 = 298,627.22 : x
  2. Step 2: Convert to fraction form
    540,344.72/745,676.60 = 298,627.22/x
  3. Step 3: Cross multiply
    540,344.72x = 745,676.60 × 298,627.22
  4. Step 4: Simplify right side
    540,344.72x = 222,679,330,077.05
  5. Step 5: Solve for x
    x = 222,679,330,077.05/540,344.72
  6. Step 6: Final answer
    x = 412,106.05

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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.