Home / 740,091.43-1,021,318.90-417,794.59

Finding the Fourth Proportional to 740,091.43, 1,021,318.90 and 417,794.59

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Solution

The fourth proportional to 740,091.43, 1,021,318.90 and 417,794.59 is: 576,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,091.43 : 1,021,318.90 = 417,794.59 : x
  2. Step 2: Convert to fraction form
    740,091.43/1,021,318.90 = 417,794.59/x
  3. Step 3: Cross multiply
    740,091.43x = 1,021,318.90 × 417,794.59
  4. Step 4: Simplify right side
    740,091.43x = 426,701,511,084.75
  5. Step 5: Solve for x
    x = 426,701,511,084.75/740,091.43
  6. Step 6: Final answer
    x = 576,552.43

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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.