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Finding the Fourth Proportional to 594,420.03, 820,299.51 and 339,776.69

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Solution

The fourth proportional to 594,420.03, 820,299.51 and 339,776.69 is: 468,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,420.03 : 820,299.51 = 339,776.69 : x
  2. Step 2: Convert to fraction form
    594,420.03/820,299.51 = 339,776.69/x
  3. Step 3: Cross multiply
    594,420.03x = 820,299.51 × 339,776.69
  4. Step 4: Simplify right side
    594,420.03x = 278,718,648,214.92
  5. Step 5: Solve for x
    x = 278,718,648,214.92/594,420.03
  6. Step 6: Final answer
    x = 468,891.75

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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.