Home / 717,731.20-1,076,596.80-291,266.20

Finding the Fourth Proportional to 717,731.20, 1,076,596.80 and 291,266.20

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Solution

The fourth proportional to 717,731.20, 1,076,596.80 and 291,266.20 is: 436,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,731.20 : 1,076,596.80 = 291,266.20 : x
  2. Step 2: Convert to fraction form
    717,731.20/1,076,596.80 = 291,266.20/x
  3. Step 3: Cross multiply
    717,731.20x = 1,076,596.80 × 291,266.20
  4. Step 4: Simplify right side
    717,731.20x = 313,576,258,868.16
  5. Step 5: Solve for x
    x = 313,576,258,868.16/717,731.20
  6. Step 6: Final answer
    x = 436,899.30

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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.