Home / 808,273.50-1,212,458.85-247,312.86

Finding the Fourth Proportional to 808,273.50, 1,212,458.85 and 247,312.86

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Solution

The fourth proportional to 808,273.50, 1,212,458.85 and 247,312.86 is: 370,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,273.50 : 1,212,458.85 = 247,312.86 : x
  2. Step 2: Convert to fraction form
    808,273.50/1,212,458.85 = 247,312.86/x
  3. Step 3: Cross multiply
    808,273.50x = 1,212,458.85 × 247,312.86
  4. Step 4: Simplify right side
    808,273.50x = 299,856,665,825.81
  5. Step 5: Solve for x
    x = 299,856,665,825.81/808,273.50
  6. Step 6: Final answer
    x = 370,984.16

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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.