Home / 718,270.90-1,076,679.17-465,711.28

Finding the Fourth Proportional to 718,270.90, 1,076,679.17 and 465,711.28

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Solution

The fourth proportional to 718,270.90, 1,076,679.17 and 465,711.28 is: 698,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,270.90 : 1,076,679.17 = 465,711.28 : x
  2. Step 2: Convert to fraction form
    718,270.90/1,076,679.17 = 465,711.28/x
  3. Step 3: Cross multiply
    718,270.90x = 1,076,679.17 × 465,711.28
  4. Step 4: Simplify right side
    718,270.90x = 501,421,631,136.20
  5. Step 5: Solve for x
    x = 501,421,631,136.20/718,270.90
  6. Step 6: Final answer
    x = 698,095.43

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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.