Home / 679,509.41-937,724.85-373,617.06

Finding the Fourth Proportional to 679,509.41, 937,724.85 and 373,617.06

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Solution

The fourth proportional to 679,509.41, 937,724.85 and 373,617.06 is: 515,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,509.41 : 937,724.85 = 373,617.06 : x
  2. Step 2: Convert to fraction form
    679,509.41/937,724.85 = 373,617.06/x
  3. Step 3: Cross multiply
    679,509.41x = 937,724.85 × 373,617.06
  4. Step 4: Simplify right side
    679,509.41x = 350,349,998,029.47
  5. Step 5: Solve for x
    x = 350,349,998,029.47/679,509.41
  6. Step 6: Final answer
    x = 515,592.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.