Home / 850,576.25-1,173,781.47-463,396.30

Finding the Fourth Proportional to 850,576.25, 1,173,781.47 and 463,396.30

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Solution

The fourth proportional to 850,576.25, 1,173,781.47 and 463,396.30 is: 639,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,576.25 : 1,173,781.47 = 463,396.30 : x
  2. Step 2: Convert to fraction form
    850,576.25/1,173,781.47 = 463,396.30/x
  3. Step 3: Cross multiply
    850,576.25x = 1,173,781.47 × 463,396.30
  4. Step 4: Simplify right side
    850,576.25x = 543,925,984,337.65
  5. Step 5: Solve for x
    x = 543,925,984,337.65/850,576.25
  6. Step 6: Final answer
    x = 639,479.40

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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.