Home / 716,858.46-1,075,443.21-218,209.50

Finding the Fourth Proportional to 716,858.46, 1,075,443.21 and 218,209.50

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Solution

The fourth proportional to 716,858.46, 1,075,443.21 and 218,209.50 is: 327,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,858.46 : 1,075,443.21 = 218,209.50 : x
  2. Step 2: Convert to fraction form
    716,858.46/1,075,443.21 = 218,209.50/x
  3. Step 3: Cross multiply
    716,858.46x = 1,075,443.21 × 218,209.50
  4. Step 4: Simplify right side
    716,858.46x = 234,671,925,132.50
  5. Step 5: Solve for x
    x = 234,671,925,132.50/716,858.46
  6. Step 6: Final answer
    x = 327,361.59

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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.