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Finding the Fourth Proportional to 594,563.59, 820,154.62 and 379,461.21

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Solution

The fourth proportional to 594,563.59, 820,154.62 and 379,461.21 is: 523,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,563.59 : 820,154.62 = 379,461.21 : x
  2. Step 2: Convert to fraction form
    594,563.59/820,154.62 = 379,461.21/x
  3. Step 3: Cross multiply
    594,563.59x = 820,154.62 × 379,461.21
  4. Step 4: Simplify right side
    594,563.59x = 311,216,859,756.57
  5. Step 5: Solve for x
    x = 311,216,859,756.57/594,563.59
  6. Step 6: Final answer
    x = 523,437.47

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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.