Home / 526,588.72-789,905.56-206,809.89

Finding the Fourth Proportional to 526,588.72, 789,905.56 and 206,809.89

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Solution

The fourth proportional to 526,588.72, 789,905.56 and 206,809.89 is: 310,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,588.72 : 789,905.56 = 206,809.89 : x
  2. Step 2: Convert to fraction form
    526,588.72/789,905.56 = 206,809.89/x
  3. Step 3: Cross multiply
    526,588.72x = 789,905.56 × 206,809.89
  4. Step 4: Simplify right side
    526,588.72x = 163,360,281,973.99
  5. Step 5: Solve for x
    x = 163,360,281,973.99/526,588.72
  6. Step 6: Final answer
    x = 310,223.66

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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.