Home / 747,314.88-1,120,940.96-347,818.24

Finding the Fourth Proportional to 747,314.88, 1,120,940.96 and 347,818.24

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Solution

The fourth proportional to 747,314.88, 1,120,940.96 and 347,818.24 is: 521,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,314.88 : 1,120,940.96 = 347,818.24 : x
  2. Step 2: Convert to fraction form
    747,314.88/1,120,940.96 = 347,818.24/x
  3. Step 3: Cross multiply
    747,314.88x = 1,120,940.96 × 347,818.24
  4. Step 4: Simplify right side
    747,314.88x = 389,883,711,851.11
  5. Step 5: Solve for x
    x = 389,883,711,851.11/747,314.88
  6. Step 6: Final answer
    x = 521,712.76

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1.5x scale

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.