Home / 910,649.61-1,365,736.32-270,781.02

Finding the Fourth Proportional to 910,649.61, 1,365,736.32 and 270,781.02

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Solution

The fourth proportional to 910,649.61, 1,365,736.32 and 270,781.02 is: 406,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,649.61 : 1,365,736.32 = 270,781.02 : x
  2. Step 2: Convert to fraction form
    910,649.61/1,365,736.32 = 270,781.02/x
  3. Step 3: Cross multiply
    910,649.61x = 1,365,736.32 × 270,781.02
  4. Step 4: Simplify right side
    910,649.61x = 369,815,473,780.65
  5. Step 5: Solve for x
    x = 369,815,473,780.65/910,649.61
  6. Step 6: Final answer
    x = 406,100.73

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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.