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Finding the Fourth Proportional to 581,813.76, 802,897.74 and 327,166.77

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Solution

The fourth proportional to 581,813.76, 802,897.74 and 327,166.77 is: 451,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,813.76 : 802,897.74 = 327,166.77 : x
  2. Step 2: Convert to fraction form
    581,813.76/802,897.74 = 327,166.77/x
  3. Step 3: Cross multiply
    581,813.76x = 802,897.74 × 327,166.77
  4. Step 4: Simplify right side
    581,813.76x = 262,681,460,236.10
  5. Step 5: Solve for x
    x = 262,681,460,236.10/581,813.76
  6. Step 6: Final answer
    x = 451,487.19

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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.