Home / 805,522.44-1,210,794.12-507,915.48

Finding the Fourth Proportional to 805,522.44, 1,210,794.12 and 507,915.48

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Solution

The fourth proportional to 805,522.44, 1,210,794.12 and 507,915.48 is: 763,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,522.44 : 1,210,794.12 = 507,915.48 : x
  2. Step 2: Convert to fraction form
    805,522.44/1,210,794.12 = 507,915.48/x
  3. Step 3: Cross multiply
    805,522.44x = 1,210,794.12 × 507,915.48
  4. Step 4: Simplify right side
    805,522.44x = 614,981,076,640.98
  5. Step 5: Solve for x
    x = 614,981,076,640.98/805,522.44
  6. Step 6: Final answer
    x = 763,456.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.