Home / 715,214.88-1,073,008.86-415,407.22

Finding the Fourth Proportional to 715,214.88, 1,073,008.86 and 415,407.22

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Solution

The fourth proportional to 715,214.88, 1,073,008.86 and 415,407.22 is: 623,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,214.88 : 1,073,008.86 = 415,407.22 : x
  2. Step 2: Convert to fraction form
    715,214.88/1,073,008.86 = 415,407.22/x
  3. Step 3: Cross multiply
    715,214.88x = 1,073,008.86 × 415,407.22
  4. Step 4: Simplify right side
    715,214.88x = 445,735,627,567.97
  5. Step 5: Solve for x
    x = 445,735,627,567.97/715,214.88
  6. Step 6: Final answer
    x = 623,219.18

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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.