Home / 647,277.90-893,290.86-375,438.66

Finding the Fourth Proportional to 647,277.90, 893,290.86 and 375,438.66

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Solution

The fourth proportional to 647,277.90, 893,290.86 and 375,438.66 is: 518,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,277.90 : 893,290.86 = 375,438.66 : x
  2. Step 2: Convert to fraction form
    647,277.90/893,290.86 = 375,438.66/x
  3. Step 3: Cross multiply
    647,277.90x = 893,290.86 × 375,438.66
  4. Step 4: Simplify right side
    647,277.90x = 335,375,923,468.65
  5. Step 5: Solve for x
    x = 335,375,923,468.65/647,277.90
  6. Step 6: Final answer
    x = 518,132.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.