Home / 916,293.20-1,374,637.19-276,543.38

Finding the Fourth Proportional to 916,293.20, 1,374,637.19 and 276,543.38

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Solution

The fourth proportional to 916,293.20, 1,374,637.19 and 276,543.38 is: 414,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,293.20 : 1,374,637.19 = 276,543.38 : x
  2. Step 2: Convert to fraction form
    916,293.20/1,374,637.19 = 276,543.38/x
  3. Step 3: Cross multiply
    916,293.20x = 1,374,637.19 × 276,543.38
  4. Step 4: Simplify right side
    916,293.20x = 380,146,806,540.40
  5. Step 5: Solve for x
    x = 380,146,806,540.40/916,293.20
  6. Step 6: Final answer
    x = 414,874.64

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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.