Home / 572,077.85-789,415.23-339,464.70

Finding the Fourth Proportional to 572,077.85, 789,415.23 and 339,464.70

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Solution

The fourth proportional to 572,077.85, 789,415.23 and 339,464.70 is: 468,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,077.85 : 789,415.23 = 339,464.70 : x
  2. Step 2: Convert to fraction form
    572,077.85/789,415.23 = 339,464.70/x
  3. Step 3: Cross multiply
    572,077.85x = 789,415.23 × 339,464.70
  4. Step 4: Simplify right side
    572,077.85x = 267,978,604,227.38
  5. Step 5: Solve for x
    x = 267,978,604,227.38/572,077.85
  6. Step 6: Final answer
    x = 468,430.31

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1.5x scale

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.