Home / 757,468.13-1,045,327.90-417,958.25

Finding the Fourth Proportional to 757,468.13, 1,045,327.90 and 417,958.25

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Solution

The fourth proportional to 757,468.13, 1,045,327.90 and 417,958.25 is: 576,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,468.13 : 1,045,327.90 = 417,958.25 : x
  2. Step 2: Convert to fraction form
    757,468.13/1,045,327.90 = 417,958.25/x
  3. Step 3: Cross multiply
    757,468.13x = 1,045,327.90 × 417,958.25
  4. Step 4: Simplify right side
    757,468.13x = 436,903,414,272.31
  5. Step 5: Solve for x
    x = 436,903,414,272.31/757,468.13
  6. Step 6: Final answer
    x = 576,794.45

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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.