Home / 679,257.20-937,376.90-373,364.93

Finding the Fourth Proportional to 679,257.20, 937,376.90 and 373,364.93

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Solution

The fourth proportional to 679,257.20, 937,376.90 and 373,364.93 is: 515,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,257.20 : 937,376.90 = 373,364.93 : x
  2. Step 2: Convert to fraction form
    679,257.20/937,376.90 = 373,364.93/x
  3. Step 3: Cross multiply
    679,257.20x = 937,376.90 × 373,364.93
  4. Step 4: Simplify right side
    679,257.20x = 349,983,659,242.09
  5. Step 5: Solve for x
    x = 349,983,659,242.09/679,257.20
  6. Step 6: Final answer
    x = 515,244.68

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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.