Home / 717,635.88-1,075,438.92-397,928.58

Finding the Fourth Proportional to 717,635.88, 1,075,438.92 and 397,928.58

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Solution

The fourth proportional to 717,635.88, 1,075,438.92 and 397,928.58 is: 596,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,635.88 : 1,075,438.92 = 397,928.58 : x
  2. Step 2: Convert to fraction form
    717,635.88/1,075,438.92 = 397,928.58/x
  3. Step 3: Cross multiply
    717,635.88x = 1,075,438.92 × 397,928.58
  4. Step 4: Simplify right side
    717,635.88x = 427,947,882,312.33
  5. Step 5: Solve for x
    x = 427,947,882,312.33/717,635.88
  6. Step 6: Final answer
    x = 596,330.11

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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.