Home / 494,428.40-741,934.20-326,434.40

Finding the Fourth Proportional to 494,428.40, 741,934.20 and 326,434.40

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Solution

The fourth proportional to 494,428.40, 741,934.20 and 326,434.40 is: 489,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.40 : 741,934.20 = 326,434.40 : x
  2. Step 2: Convert to fraction form
    494,428.40/741,934.20 = 326,434.40/x
  3. Step 3: Cross multiply
    494,428.40x = 741,934.20 × 326,434.40
  4. Step 4: Simplify right side
    494,428.40x = 242,192,845,416.48
  5. Step 5: Solve for x
    x = 242,192,845,416.48/494,428.40
  6. Step 6: Final answer
    x = 489,844.12

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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.