Home / 717,812.10-1,076,657.40-219,176.10

Finding the Fourth Proportional to 717,812.10, 1,076,657.40 and 219,176.10

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Solution

The fourth proportional to 717,812.10, 1,076,657.40 and 219,176.10 is: 328,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,812.10 : 1,076,657.40 = 219,176.10 : x
  2. Step 2: Convert to fraction form
    717,812.10/1,076,657.40 = 219,176.10/x
  3. Step 3: Cross multiply
    717,812.10x = 1,076,657.40 × 219,176.10
  4. Step 4: Simplify right side
    717,812.10x = 235,977,569,968.14
  5. Step 5: Solve for x
    x = 235,977,569,968.14/717,812.10
  6. Step 6: Final answer
    x = 328,745.60

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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.