Home / 837,403.74-1,256,146.65-238,406.94

Finding the Fourth Proportional to 837,403.74, 1,256,146.65 and 238,406.94

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Solution

The fourth proportional to 837,403.74, 1,256,146.65 and 238,406.94 is: 357,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,403.74 : 1,256,146.65 = 238,406.94 : x
  2. Step 2: Convert to fraction form
    837,403.74/1,256,146.65 = 238,406.94/x
  3. Step 3: Cross multiply
    837,403.74x = 1,256,146.65 × 238,406.94
  4. Step 4: Simplify right side
    837,403.74x = 299,474,079,017.75
  5. Step 5: Solve for x
    x = 299,474,079,017.75/837,403.74
  6. Step 6: Final answer
    x = 357,622.09

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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.