Home / 830,720.87-1,248,682.39-548,226.77

Finding the Fourth Proportional to 830,720.87, 1,248,682.39 and 548,226.77

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Solution

The fourth proportional to 830,720.87, 1,248,682.39 and 548,226.77 is: 824,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,720.87 : 1,248,682.39 = 548,226.77 : x
  2. Step 2: Convert to fraction form
    830,720.87/1,248,682.39 = 548,226.77/x
  3. Step 3: Cross multiply
    830,720.87x = 1,248,682.39 × 548,226.77
  4. Step 4: Simplify right side
    830,720.87x = 684,561,105,811.60
  5. Step 5: Solve for x
    x = 684,561,105,811.60/830,720.87
  6. Step 6: Final answer
    x = 824,056.71

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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.