Home / 888,425.68-1,226,056.44-486,017.68

Finding the Fourth Proportional to 888,425.68, 1,226,056.44 and 486,017.68

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Solution

The fourth proportional to 888,425.68, 1,226,056.44 and 486,017.68 is: 670,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,425.68 : 1,226,056.44 = 486,017.68 : x
  2. Step 2: Convert to fraction form
    888,425.68/1,226,056.44 = 486,017.68/x
  3. Step 3: Cross multiply
    888,425.68x = 1,226,056.44 × 486,017.68
  4. Step 4: Simplify right side
    888,425.68x = 595,885,106,517.86
  5. Step 5: Solve for x
    x = 595,885,106,517.86/888,425.68
  6. Step 6: Final answer
    x = 670,720.26

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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.