Home / 572,327.98-789,821.87-314,228.72

Finding the Fourth Proportional to 572,327.98, 789,821.87 and 314,228.72

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Solution

The fourth proportional to 572,327.98, 789,821.87 and 314,228.72 is: 433,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,327.98 : 789,821.87 = 314,228.72 : x
  2. Step 2: Convert to fraction form
    572,327.98/789,821.87 = 314,228.72/x
  3. Step 3: Cross multiply
    572,327.98x = 789,821.87 × 314,228.72
  4. Step 4: Simplify right side
    572,327.98x = 248,184,715,238.11
  5. Step 5: Solve for x
    x = 248,184,715,238.11/572,327.98
  6. Step 6: Final answer
    x = 433,640.72

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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.