Home / 678,379.02-1,017,577.77-251,750.00

Finding the Fourth Proportional to 678,379.02, 1,017,577.77 and 251,750.00

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Solution

The fourth proportional to 678,379.02, 1,017,577.77 and 251,750.00 is: 377,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,379.02 : 1,017,577.77 = 251,750.00 : x
  2. Step 2: Convert to fraction form
    678,379.02/1,017,577.77 = 251,750.00/x
  3. Step 3: Cross multiply
    678,379.02x = 1,017,577.77 × 251,750.00
  4. Step 4: Simplify right side
    678,379.02x = 256,175,197,250.86
  5. Step 5: Solve for x
    x = 256,175,197,250.86/678,379.02
  6. Step 6: Final answer
    x = 377,628.42

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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.