Home / 869,217.93-1,199,643.72-482,118.93

Finding the Fourth Proportional to 869,217.93, 1,199,643.72 and 482,118.93

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Solution

The fourth proportional to 869,217.93, 1,199,643.72 and 482,118.93 is: 665,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,217.93 : 1,199,643.72 = 482,118.93 : x
  2. Step 2: Convert to fraction form
    869,217.93/1,199,643.72 = 482,118.93/x
  3. Step 3: Cross multiply
    869,217.93x = 1,199,643.72 × 482,118.93
  4. Step 4: Simplify right side
    869,217.93x = 578,370,946,667.62
  5. Step 5: Solve for x
    x = 578,370,946,667.62/869,217.93
  6. Step 6: Final answer
    x = 665,392.33

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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.