Home / 800,787.23-1,105,086.49-438,211.18

Finding the Fourth Proportional to 800,787.23, 1,105,086.49 and 438,211.18

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Solution

The fourth proportional to 800,787.23, 1,105,086.49 and 438,211.18 is: 604,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,787.23 : 1,105,086.49 = 438,211.18 : x
  2. Step 2: Convert to fraction form
    800,787.23/1,105,086.49 = 438,211.18/x
  3. Step 3: Cross multiply
    800,787.23x = 1,105,086.49 × 438,211.18
  4. Step 4: Simplify right side
    800,787.23x = 484,261,249,259.53
  5. Step 5: Solve for x
    x = 484,261,249,259.53/800,787.23
  6. Step 6: Final answer
    x = 604,731.49

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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.