Home / 717,289.56-1,076,102.82-401,964.12

Finding the Fourth Proportional to 717,289.56, 1,076,102.82 and 401,964.12

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Solution

The fourth proportional to 717,289.56, 1,076,102.82 and 401,964.12 is: 603,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,289.56 : 1,076,102.82 = 401,964.12 : x
  2. Step 2: Convert to fraction form
    717,289.56/1,076,102.82 = 401,964.12/x
  3. Step 3: Cross multiply
    717,289.56x = 1,076,102.82 × 401,964.12
  4. Step 4: Simplify right side
    717,289.56x = 432,554,723,070.82
  5. Step 5: Solve for x
    x = 432,554,723,070.82/717,289.56
  6. Step 6: Final answer
    x = 603,040.60

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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.