Home / 716,731.56-1,075,761.64-361,994.70

Finding the Fourth Proportional to 716,731.56, 1,075,761.64 and 361,994.70

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Solution

The fourth proportional to 716,731.56, 1,075,761.64 and 361,994.70 is: 543,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,731.56 : 1,075,761.64 = 361,994.70 : x
  2. Step 2: Convert to fraction form
    716,731.56/1,075,761.64 = 361,994.70/x
  3. Step 3: Cross multiply
    716,731.56x = 1,075,761.64 × 361,994.70
  4. Step 4: Simplify right side
    716,731.56x = 389,420,006,764.50
  5. Step 5: Solve for x
    x = 389,420,006,764.50/716,731.56
  6. Step 6: Final answer
    x = 543,327.56

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Why These Related Problems?

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