Home / 717,772.10-1,076,597.40-219,136.10

Finding the Fourth Proportional to 717,772.10, 1,076,597.40 and 219,136.10

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Solution

The fourth proportional to 717,772.10, 1,076,597.40 and 219,136.10 is: 328,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,772.10 : 1,076,597.40 = 219,136.10 : x
  2. Step 2: Convert to fraction form
    717,772.10/1,076,597.40 = 219,136.10/x
  3. Step 3: Cross multiply
    717,772.10x = 1,076,597.40 × 219,136.10
  4. Step 4: Simplify right side
    717,772.10x = 235,921,355,506.14
  5. Step 5: Solve for x
    x = 235,921,355,506.14/717,772.10
  6. Step 6: Final answer
    x = 328,685.60

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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.