Home / 872,269.89-1,203,788.85-504,821.07

Finding the Fourth Proportional to 872,269.89, 1,203,788.85 and 504,821.07

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Solution

The fourth proportional to 872,269.89, 1,203,788.85 and 504,821.07 is: 696,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,269.89 : 1,203,788.85 = 504,821.07 : x
  2. Step 2: Convert to fraction form
    872,269.89/1,203,788.85 = 504,821.07/x
  3. Step 3: Cross multiply
    872,269.89x = 1,203,788.85 × 504,821.07
  4. Step 4: Simplify right side
    872,269.89x = 607,697,975,311.07
  5. Step 5: Solve for x
    x = 607,697,975,311.07/872,269.89
  6. Step 6: Final answer
    x = 696,685.72

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1.5x scale

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.