Home / 520,937.35-781,436.29-201,091.03

Finding the Fourth Proportional to 520,937.35, 781,436.29 and 201,091.03

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Solution

The fourth proportional to 520,937.35, 781,436.29 and 201,091.03 is: 301,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,937.35 : 781,436.29 = 201,091.03 : x
  2. Step 2: Convert to fraction form
    520,937.35/781,436.29 = 201,091.03/x
  3. Step 3: Cross multiply
    520,937.35x = 781,436.29 × 201,091.03
  4. Step 4: Simplify right side
    520,937.35x = 157,139,824,779.66
  5. Step 5: Solve for x
    x = 157,139,824,779.66/520,937.35
  6. Step 6: Final answer
    x = 301,648.22

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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.