Home / 526,019.43-789,227.87-315,803.91

Finding the Fourth Proportional to 526,019.43, 789,227.87 and 315,803.91

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Solution

The fourth proportional to 526,019.43, 789,227.87 and 315,803.91 is: 473,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,019.43 : 789,227.87 = 315,803.91 : x
  2. Step 2: Convert to fraction form
    526,019.43/789,227.87 = 315,803.91/x
  3. Step 3: Cross multiply
    526,019.43x = 789,227.87 × 315,803.91
  4. Step 4: Simplify right side
    526,019.43x = 249,241,245,647.95
  5. Step 5: Solve for x
    x = 249,241,245,647.95/526,019.43
  6. Step 6: Final answer
    x = 473,825.17

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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.