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Finding the Fourth Proportional to 653,139.81, 901,325.03 and 366,652.53

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Solution

The fourth proportional to 653,139.81, 901,325.03 and 366,652.53 is: 505,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,139.81 : 901,325.03 = 366,652.53 : x
  2. Step 2: Convert to fraction form
    653,139.81/901,325.03 = 366,652.53/x
  3. Step 3: Cross multiply
    653,139.81x = 901,325.03 × 366,652.53
  4. Step 4: Simplify right side
    653,139.81x = 330,473,100,768.56
  5. Step 5: Solve for x
    x = 330,473,100,768.56/653,139.81
  6. Step 6: Final answer
    x = 505,976.05

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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.