Home / 916,502.09-1,374,820.56-242,578.85

Finding the Fourth Proportional to 916,502.09, 1,374,820.56 and 242,578.85

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Solution

The fourth proportional to 916,502.09, 1,374,820.56 and 242,578.85 is: 363,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,502.09 : 1,374,820.56 = 242,578.85 : x
  2. Step 2: Convert to fraction form
    916,502.09/1,374,820.56 = 242,578.85/x
  3. Step 3: Cross multiply
    916,502.09x = 1,374,820.56 × 242,578.85
  4. Step 4: Simplify right side
    916,502.09x = 333,502,383,527.05
  5. Step 5: Solve for x
    x = 333,502,383,527.05/916,502.09
  6. Step 6: Final answer
    x = 363,886.12

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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.