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Finding the Fourth Proportional to 679,224.64, 937,338.60 and 373,334.36

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Solution

The fourth proportional to 679,224.64, 937,338.60 and 373,334.36 is: 515,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,224.64 : 937,338.60 = 373,334.36 : x
  2. Step 2: Convert to fraction form
    679,224.64/937,338.60 = 373,334.36/x
  3. Step 3: Cross multiply
    679,224.64x = 937,338.60 × 373,334.36
  4. Step 4: Simplify right side
    679,224.64x = 349,940,706,334.30
  5. Step 5: Solve for x
    x = 349,940,706,334.30/679,224.64
  6. Step 6: Final answer
    x = 515,206.14

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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.