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Finding the Fourth Proportional to 717,043, 1,075,564.50 and 218,407

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Solution

The fourth proportional to 717,043, 1,075,564.50 and 218,407 is: 327,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,043 : 1,075,564.50 = 218,407 : x
  2. Step 2: Convert to fraction form
    717,043/1,075,564.50 = 218,407/x
  3. Step 3: Cross multiply
    717,043x = 1,075,564.50 × 218,407
  4. Step 4: Simplify right side
    717,043x = 234,910,815,751.50
  5. Step 5: Solve for x
    x = 234,910,815,751.50/717,043
  6. Step 6: Final answer
    x = 327,610.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.