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Finding the Fourth Proportional to 594,752.71, 820,759.55 and 322,820.66

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Solution

The fourth proportional to 594,752.71, 820,759.55 and 322,820.66 is: 445,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,752.71 : 820,759.55 = 322,820.66 : x
  2. Step 2: Convert to fraction form
    594,752.71/820,759.55 = 322,820.66/x
  3. Step 3: Cross multiply
    594,752.71x = 820,759.55 × 322,820.66
  4. Step 4: Simplify right side
    594,752.71x = 264,958,137,269.19
  5. Step 5: Solve for x
    x = 264,958,137,269.19/594,752.71
  6. Step 6: Final answer
    x = 445,492.95

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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.