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Finding the Fourth Proportional to 584,771.64, 807,179.48 and 342,965.98

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Solution

The fourth proportional to 584,771.64, 807,179.48 and 342,965.98 is: 473,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,771.64 : 807,179.48 = 342,965.98 : x
  2. Step 2: Convert to fraction form
    584,771.64/807,179.48 = 342,965.98/x
  3. Step 3: Cross multiply
    584,771.64x = 807,179.48 × 342,965.98
  4. Step 4: Simplify right side
    584,771.64x = 276,835,101,394.09
  5. Step 5: Solve for x
    x = 276,835,101,394.09/584,771.64
  6. Step 6: Final answer
    x = 473,407.19

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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.