Home / 692,215.02-1,038,317.87-372,517.31

Finding the Fourth Proportional to 692,215.02, 1,038,317.87 and 372,517.31

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Solution

The fourth proportional to 692,215.02, 1,038,317.87 and 372,517.31 is: 558,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,215.02 : 1,038,317.87 = 372,517.31 : x
  2. Step 2: Convert to fraction form
    692,215.02/1,038,317.87 = 372,517.31/x
  3. Step 3: Cross multiply
    692,215.02x = 1,038,317.87 × 372,517.31
  4. Step 4: Simplify right side
    692,215.02x = 386,791,383,384.42
  5. Step 5: Solve for x
    x = 386,791,383,384.42/692,215.02
  6. Step 6: Final answer
    x = 558,773.46

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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.