Home / 945,257.58-1,418,516.82-490,268.19

Finding the Fourth Proportional to 945,257.58, 1,418,516.82 and 490,268.19

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Solution

The fourth proportional to 945,257.58, 1,418,516.82 and 490,268.19 is: 735,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,257.58 : 1,418,516.82 = 490,268.19 : x
  2. Step 2: Convert to fraction form
    945,257.58/1,418,516.82 = 490,268.19/x
  3. Step 3: Cross multiply
    945,257.58x = 1,418,516.82 × 490,268.19
  4. Step 4: Simplify right side
    945,257.58x = 695,453,679,145.39
  5. Step 5: Solve for x
    x = 695,453,679,145.39/945,257.58
  6. Step 6: Final answer
    x = 735,729.28

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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.