Home / 939,729.72-1,296,602.37-572,202.54

Finding the Fourth Proportional to 939,729.72, 1,296,602.37 and 572,202.54

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Solution

The fourth proportional to 939,729.72, 1,296,602.37 and 572,202.54 is: 789,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,729.72 : 1,296,602.37 = 572,202.54 : x
  2. Step 2: Convert to fraction form
    939,729.72/1,296,602.37 = 572,202.54/x
  3. Step 3: Cross multiply
    939,729.72x = 1,296,602.37 × 572,202.54
  4. Step 4: Simplify right side
    939,729.72x = 741,919,169,484.02
  5. Step 5: Solve for x
    x = 741,919,169,484.02/939,729.72
  6. Step 6: Final answer
    x = 789,502.72

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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.