Home / 806,043.15-1,208,914.37-326,145.18

Finding the Fourth Proportional to 806,043.15, 1,208,914.37 and 326,145.18

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Solution

The fourth proportional to 806,043.15, 1,208,914.37 and 326,145.18 is: 489,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,043.15 : 1,208,914.37 = 326,145.18 : x
  2. Step 2: Convert to fraction form
    806,043.15/1,208,914.37 = 326,145.18/x
  3. Step 3: Cross multiply
    806,043.15x = 1,208,914.37 × 326,145.18
  4. Step 4: Simplify right side
    806,043.15x = 394,281,598,933.98
  5. Step 5: Solve for x
    x = 394,281,598,933.98/806,043.15
  6. Step 6: Final answer
    x = 489,156.94

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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.