Home / 888,539.12-1,226,214.60-486,131.12

Finding the Fourth Proportional to 888,539.12, 1,226,214.60 and 486,131.12

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Solution

The fourth proportional to 888,539.12, 1,226,214.60 and 486,131.12 is: 670,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,539.12 : 1,226,214.60 = 486,131.12 : x
  2. Step 2: Convert to fraction form
    888,539.12/1,226,214.60 = 486,131.12/x
  3. Step 3: Cross multiply
    888,539.12x = 1,226,214.60 × 486,131.12
  4. Step 4: Simplify right side
    888,539.12x = 596,101,076,858.35
  5. Step 5: Solve for x
    x = 596,101,076,858.35/888,539.12
  6. Step 6: Final answer
    x = 670,877.70

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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.