Home / 572,137.43-789,559.70-314,038.53

Finding the Fourth Proportional to 572,137.43, 789,559.70 and 314,038.53

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Solution

The fourth proportional to 572,137.43, 789,559.70 and 314,038.53 is: 433,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,137.43 : 789,559.70 = 314,038.53 : x
  2. Step 2: Convert to fraction form
    572,137.43/789,559.70 = 314,038.53/x
  3. Step 3: Cross multiply
    572,137.43x = 789,559.70 × 314,038.53
  4. Step 4: Simplify right side
    572,137.43x = 247,952,165,965.05
  5. Step 5: Solve for x
    x = 247,952,165,965.05/572,137.43
  6. Step 6: Final answer
    x = 433,378.69

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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.