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Finding the Fourth Proportional to 679,209.77, 937,248.48 and 373,282.80

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Solution

The fourth proportional to 679,209.77, 937,248.48 and 373,282.80 is: 515,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,209.77 : 937,248.48 = 373,282.80 : x
  2. Step 2: Convert to fraction form
    679,209.77/937,248.48 = 373,282.80/x
  3. Step 3: Cross multiply
    679,209.77x = 937,248.48 × 373,282.80
  4. Step 4: Simplify right side
    679,209.77x = 349,858,736,910.14
  5. Step 5: Solve for x
    x = 349,858,736,910.14/679,209.77
  6. Step 6: Final answer
    x = 515,096.74

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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.