Home / 959,667.40-1,438,809.90-539,072.20

Finding the Fourth Proportional to 959,667.40, 1,438,809.90 and 539,072.20

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Solution

The fourth proportional to 959,667.40, 1,438,809.90 and 539,072.20 is: 808,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,667.40 : 1,438,809.90 = 539,072.20 : x
  2. Step 2: Convert to fraction form
    959,667.40/1,438,809.90 = 539,072.20/x
  3. Step 3: Cross multiply
    959,667.40x = 1,438,809.90 × 539,072.20
  4. Step 4: Simplify right side
    959,667.40x = 775,622,418,174.78
  5. Step 5: Solve for x
    x = 775,622,418,174.78/959,667.40
  6. Step 6: Final answer
    x = 808,220.03

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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.