Home / 729,675.60-1,094,513.40-449,739.60

Finding the Fourth Proportional to 729,675.60, 1,094,513.40 and 449,739.60

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Solution

The fourth proportional to 729,675.60, 1,094,513.40 and 449,739.60 is: 674,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,675.60 : 1,094,513.40 = 449,739.60 : x
  2. Step 2: Convert to fraction form
    729,675.60/1,094,513.40 = 449,739.60/x
  3. Step 3: Cross multiply
    729,675.60x = 1,094,513.40 × 449,739.60
  4. Step 4: Simplify right side
    729,675.60x = 492,246,018,710.64
  5. Step 5: Solve for x
    x = 492,246,018,710.64/729,675.60
  6. Step 6: Final answer
    x = 674,609.40

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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.