Home / 718,130.33-1,076,915.23-313,446.31

Finding the Fourth Proportional to 718,130.33, 1,076,915.23 and 313,446.31

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Solution

The fourth proportional to 718,130.33, 1,076,915.23 and 313,446.31 is: 470,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,130.33 : 1,076,915.23 = 313,446.31 : x
  2. Step 2: Convert to fraction form
    718,130.33/1,076,915.23 = 313,446.31/x
  3. Step 3: Cross multiply
    718,130.33x = 1,076,915.23 × 313,446.31
  4. Step 4: Simplify right side
    718,130.33x = 337,555,105,588.83
  5. Step 5: Solve for x
    x = 337,555,105,588.83/718,130.33
  6. Step 6: Final answer
    x = 470,047.14

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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.