Home / 767,912.50-1,059,588.03-445,548.70

Finding the Fourth Proportional to 767,912.50, 1,059,588.03 and 445,548.70

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Solution

The fourth proportional to 767,912.50, 1,059,588.03 and 445,548.70 is: 614,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,912.50 : 1,059,588.03 = 445,548.70 : x
  2. Step 2: Convert to fraction form
    767,912.50/1,059,588.03 = 445,548.70/x
  3. Step 3: Cross multiply
    767,912.50x = 1,059,588.03 × 445,548.70
  4. Step 4: Simplify right side
    767,912.50x = 472,098,069,302.06
  5. Step 5: Solve for x
    x = 472,098,069,302.06/767,912.50
  6. Step 6: Final answer
    x = 614,781.07

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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.