Home / 808,219.70-1,212,285.60-247,254.20

Finding the Fourth Proportional to 808,219.70, 1,212,285.60 and 247,254.20

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Solution

The fourth proportional to 808,219.70, 1,212,285.60 and 247,254.20 is: 370,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,219.70 : 1,212,285.60 = 247,254.20 : x
  2. Step 2: Convert to fraction form
    808,219.70/1,212,285.60 = 247,254.20/x
  3. Step 3: Cross multiply
    808,219.70x = 1,212,285.60 × 247,254.20
  4. Step 4: Simplify right side
    808,219.70x = 299,742,706,199.52
  5. Step 5: Solve for x
    x = 299,742,706,199.52/808,219.70
  6. Step 6: Final answer
    x = 370,867.85

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1.5x scale

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.