Home / 638,913.37-881,701.32-367,033.90

Finding the Fourth Proportional to 638,913.37, 881,701.32 and 367,033.90

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Solution

The fourth proportional to 638,913.37, 881,701.32 and 367,033.90 is: 506,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,913.37 : 881,701.32 = 367,033.90 : x
  2. Step 2: Convert to fraction form
    638,913.37/881,701.32 = 367,033.90/x
  3. Step 3: Cross multiply
    638,913.37x = 881,701.32 × 367,033.90
  4. Step 4: Simplify right side
    638,913.37x = 323,614,274,114.75
  5. Step 5: Solve for x
    x = 323,614,274,114.75/638,913.37
  6. Step 6: Final answer
    x = 506,507.28

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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.