Home / 850,576.50-1,173,781.81-463,396.55

Finding the Fourth Proportional to 850,576.50, 1,173,781.81 and 463,396.55

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Solution

The fourth proportional to 850,576.50, 1,173,781.81 and 463,396.55 is: 639,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,576.50 : 1,173,781.81 = 463,396.55 : x
  2. Step 2: Convert to fraction form
    850,576.50/1,173,781.81 = 463,396.55/x
  3. Step 3: Cross multiply
    850,576.50x = 1,173,781.81 × 463,396.55
  4. Step 4: Simplify right side
    850,576.50x = 543,926,441,206.76
  5. Step 5: Solve for x
    x = 543,926,441,206.76/850,576.50
  6. Step 6: Final answer
    x = 639,479.74

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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.