Home / 869,428.60-1,199,751.38-482,207.49

Finding the Fourth Proportional to 869,428.60, 1,199,751.38 and 482,207.49

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Solution

The fourth proportional to 869,428.60, 1,199,751.38 and 482,207.49 is: 665,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,428.60 : 1,199,751.38 = 482,207.49 : x
  2. Step 2: Convert to fraction form
    869,428.60/1,199,751.38 = 482,207.49/x
  3. Step 3: Cross multiply
    869,428.60x = 1,199,751.38 × 482,207.49
  4. Step 4: Simplify right side
    869,428.60x = 578,529,099,162.80
  5. Step 5: Solve for x
    x = 578,529,099,162.80/869,428.60
  6. Step 6: Final answer
    x = 665,413.01

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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.