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Finding the Fourth Proportional to 594,868.70, 820,832.19 and 340,170.68

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Solution

The fourth proportional to 594,868.70, 820,832.19 and 340,170.68 is: 469,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,868.70 : 820,832.19 = 340,170.68 : x
  2. Step 2: Convert to fraction form
    594,868.70/820,832.19 = 340,170.68/x
  3. Step 3: Cross multiply
    594,868.70x = 820,832.19 × 340,170.68
  4. Step 4: Simplify right side
    594,868.70x = 279,223,045,014.63
  5. Step 5: Solve for x
    x = 279,223,045,014.63/594,868.70
  6. Step 6: Final answer
    x = 469,386.01

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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.