Home / 878,500.75-1,212,331.86-476,092.75

Finding the Fourth Proportional to 878,500.75, 1,212,331.86 and 476,092.75

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Solution

The fourth proportional to 878,500.75, 1,212,331.86 and 476,092.75 is: 657,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,500.75 : 1,212,331.86 = 476,092.75 : x
  2. Step 2: Convert to fraction form
    878,500.75/1,212,331.86 = 476,092.75/x
  3. Step 3: Cross multiply
    878,500.75x = 1,212,331.86 × 476,092.75
  4. Step 4: Simplify right side
    878,500.75x = 577,182,409,140.02
  5. Step 5: Solve for x
    x = 577,182,409,140.02/878,500.75
  6. Step 6: Final answer
    x = 657,008.44

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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.