Home / 877,272.30-1,315,711.62-403,502.58

Finding the Fourth Proportional to 877,272.30, 1,315,711.62 and 403,502.58

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Solution

The fourth proportional to 877,272.30, 1,315,711.62 and 403,502.58 is: 605,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,272.30 : 1,315,711.62 = 403,502.58 : x
  2. Step 2: Convert to fraction form
    877,272.30/1,315,711.62 = 403,502.58/x
  3. Step 3: Cross multiply
    877,272.30x = 1,315,711.62 × 403,502.58
  4. Step 4: Simplify right side
    877,272.30x = 530,893,033,205.98
  5. Step 5: Solve for x
    x = 530,893,033,205.98/877,272.30
  6. Step 6: Final answer
    x = 605,163.34

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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.