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Finding the Fourth Proportional to 540,099.54, 745,352.42 and 298,397.70

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Solution

The fourth proportional to 540,099.54, 745,352.42 and 298,397.70 is: 411,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,099.54 : 745,352.42 = 298,397.70 : x
  2. Step 2: Convert to fraction form
    540,099.54/745,352.42 = 298,397.70/x
  3. Step 3: Cross multiply
    540,099.54x = 745,352.42 × 298,397.70
  4. Step 4: Simplify right side
    540,099.54x = 222,411,446,325.45
  5. Step 5: Solve for x
    x = 222,411,446,325.45/540,099.54
  6. Step 6: Final answer
    x = 411,797.14

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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.