Home / 808,568.10-1,212,852.15-239,969.70

Finding the Fourth Proportional to 808,568.10, 1,212,852.15 and 239,969.70

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Solution

The fourth proportional to 808,568.10, 1,212,852.15 and 239,969.70 is: 359,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,568.10 : 1,212,852.15 = 239,969.70 : x
  2. Step 2: Convert to fraction form
    808,568.10/1,212,852.15 = 239,969.70/x
  3. Step 3: Cross multiply
    808,568.10x = 1,212,852.15 × 239,969.70
  4. Step 4: Simplify right side
    808,568.10x = 291,047,766,579.86
  5. Step 5: Solve for x
    x = 291,047,766,579.86/808,568.10
  6. Step 6: Final answer
    x = 359,954.55

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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.