Home / 747,372.74-1,119,373.64-347,171.33

Finding the Fourth Proportional to 747,372.74, 1,119,373.64 and 347,171.33

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Solution

The fourth proportional to 747,372.74, 1,119,373.64 and 347,171.33 is: 519,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,372.74 : 1,119,373.64 = 347,171.33 : x
  2. Step 2: Convert to fraction form
    747,372.74/1,119,373.64 = 347,171.33/x
  3. Step 3: Cross multiply
    747,372.74x = 1,119,373.64 × 347,171.33
  4. Step 4: Simplify right side
    747,372.74x = 388,614,440,579.58
  5. Step 5: Solve for x
    x = 388,614,440,579.58/747,372.74
  6. Step 6: Final answer
    x = 519,974.06

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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.