Home / 716,978.12-1,075,096.67-211,474.73

Finding the Fourth Proportional to 716,978.12, 1,075,096.67 and 211,474.73

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Solution

The fourth proportional to 716,978.12, 1,075,096.67 and 211,474.73 is: 317,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,978.12 : 1,075,096.67 = 211,474.73 : x
  2. Step 2: Convert to fraction form
    716,978.12/1,075,096.67 = 211,474.73/x
  3. Step 3: Cross multiply
    716,978.12x = 1,075,096.67 × 211,474.73
  4. Step 4: Simplify right side
    716,978.12x = 227,355,779,642.52
  5. Step 5: Solve for x
    x = 227,355,779,642.52/716,978.12
  6. Step 6: Final answer
    x = 317,102.82

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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.