Home / 747,376.88-1,121,054.78-347,794.16

Finding the Fourth Proportional to 747,376.88, 1,121,054.78 and 347,794.16

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Solution

The fourth proportional to 747,376.88, 1,121,054.78 and 347,794.16 is: 521,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,376.88 : 1,121,054.78 = 347,794.16 : x
  2. Step 2: Convert to fraction form
    747,376.88/1,121,054.78 = 347,794.16/x
  3. Step 3: Cross multiply
    747,376.88x = 1,121,054.78 × 347,794.16
  4. Step 4: Simplify right side
    747,376.88x = 389,896,300,788.30
  5. Step 5: Solve for x
    x = 389,896,300,788.30/747,376.88
  6. Step 6: Final answer
    x = 521,686.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.