Home / 749,724.22-1,034,198.93-459,476.40

Finding the Fourth Proportional to 749,724.22, 1,034,198.93 and 459,476.40

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Solution

The fourth proportional to 749,724.22, 1,034,198.93 and 459,476.40 is: 633,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,724.22 : 1,034,198.93 = 459,476.40 : x
  2. Step 2: Convert to fraction form
    749,724.22/1,034,198.93 = 459,476.40/x
  3. Step 3: Cross multiply
    749,724.22x = 1,034,198.93 × 459,476.40
  4. Step 4: Simplify right side
    749,724.22x = 475,189,997,219.15
  5. Step 5: Solve for x
    x = 475,189,997,219.15/749,724.22
  6. Step 6: Final answer
    x = 633,819.73

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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.