Home / 627,353.16-940,500.75-272,099.70

Finding the Fourth Proportional to 627,353.16, 940,500.75 and 272,099.70

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Solution

The fourth proportional to 627,353.16, 940,500.75 and 272,099.70 is: 407,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,353.16 : 940,500.75 = 272,099.70 : x
  2. Step 2: Convert to fraction form
    627,353.16/940,500.75 = 272,099.70/x
  3. Step 3: Cross multiply
    627,353.16x = 940,500.75 × 272,099.70
  4. Step 4: Simplify right side
    627,353.16x = 255,909,971,924.78
  5. Step 5: Solve for x
    x = 255,909,971,924.78/627,353.16
  6. Step 6: Final answer
    x = 407,920.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.