Home / 806,653.82-1,209,981.12-332,818.40

Finding the Fourth Proportional to 806,653.82, 1,209,981.12 and 332,818.40

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Solution

The fourth proportional to 806,653.82, 1,209,981.12 and 332,818.40 is: 499,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,653.82 : 1,209,981.12 = 332,818.40 : x
  2. Step 2: Convert to fraction form
    806,653.82/1,209,981.12 = 332,818.40/x
  3. Step 3: Cross multiply
    806,653.82x = 1,209,981.12 × 332,818.40
  4. Step 4: Simplify right side
    806,653.82x = 402,703,980,388.61
  5. Step 5: Solve for x
    x = 402,703,980,388.61/806,653.82
  6. Step 6: Final answer
    x = 499,227.76

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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.