Home / 837,455.72-1,255,994.70-238,403.56

Finding the Fourth Proportional to 837,455.72, 1,255,994.70 and 238,403.56

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Solution

The fourth proportional to 837,455.72, 1,255,994.70 and 238,403.56 is: 357,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,455.72 : 1,255,994.70 = 238,403.56 : x
  2. Step 2: Convert to fraction form
    837,455.72/1,255,994.70 = 238,403.56/x
  3. Step 3: Cross multiply
    837,455.72x = 1,255,994.70 × 238,403.56
  4. Step 4: Simplify right side
    837,455.72x = 299,433,607,821.13
  5. Step 5: Solve for x
    x = 299,433,607,821.13/837,455.72
  6. Step 6: Final answer
    x = 357,551.57

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1.5x scale

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.