Home / 705,001.26-972,918.18-418,522.44

Finding the Fourth Proportional to 705,001.26, 972,918.18 and 418,522.44

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Solution

The fourth proportional to 705,001.26, 972,918.18 and 418,522.44 is: 577,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,001.26 : 972,918.18 = 418,522.44 : x
  2. Step 2: Convert to fraction form
    705,001.26/972,918.18 = 418,522.44/x
  3. Step 3: Cross multiply
    705,001.26x = 972,918.18 × 418,522.44
  4. Step 4: Simplify right side
    705,001.26x = 407,188,090,613.96
  5. Step 5: Solve for x
    x = 407,188,090,613.96/705,001.26
  6. Step 6: Final answer
    x = 577,570.73

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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.