Home / 878,189.44-1,211,885.68-496,208.08

Finding the Fourth Proportional to 878,189.44, 1,211,885.68 and 496,208.08

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Solution

The fourth proportional to 878,189.44, 1,211,885.68 and 496,208.08 is: 684,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,189.44 : 1,211,885.68 = 496,208.08 : x
  2. Step 2: Convert to fraction form
    878,189.44/1,211,885.68 = 496,208.08/x
  3. Step 3: Cross multiply
    878,189.44x = 1,211,885.68 × 496,208.08
  4. Step 4: Simplify right side
    878,189.44x = 601,347,466,452.29
  5. Step 5: Solve for x
    x = 601,347,466,452.29/878,189.44
  6. Step 6: Final answer
    x = 684,758.25

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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.