Home / 717,316.57-1,076,223.94-318,237.57

Finding the Fourth Proportional to 717,316.57, 1,076,223.94 and 318,237.57

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Solution

The fourth proportional to 717,316.57, 1,076,223.94 and 318,237.57 is: 477,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,316.57 : 1,076,223.94 = 318,237.57 : x
  2. Step 2: Convert to fraction form
    717,316.57/1,076,223.94 = 318,237.57/x
  3. Step 3: Cross multiply
    717,316.57x = 1,076,223.94 × 318,237.57
  4. Step 4: Simplify right side
    717,316.57x = 342,494,890,645.83
  5. Step 5: Solve for x
    x = 342,494,890,645.83/717,316.57
  6. Step 6: Final answer
    x = 477,466.86

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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.