Home / 679,234.84-937,365.20-373,305.72

Finding the Fourth Proportional to 679,234.84, 937,365.20 and 373,305.72

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Solution

The fourth proportional to 679,234.84, 937,365.20 and 373,305.72 is: 515,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,234.84 : 937,365.20 = 373,305.72 : x
  2. Step 2: Convert to fraction form
    679,234.84/937,365.20 = 373,305.72/x
  3. Step 3: Cross multiply
    679,234.84x = 937,365.20 × 373,305.72
  4. Step 4: Simplify right side
    679,234.84x = 349,923,790,888.94
  5. Step 5: Solve for x
    x = 349,923,790,888.94/679,234.84
  6. Step 6: Final answer
    x = 515,173.50

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1.5x scale

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.