Home / 971,979.06-1,458,619.35-403,360.72

Finding the Fourth Proportional to 971,979.06, 1,458,619.35 and 403,360.72

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Solution

The fourth proportional to 971,979.06, 1,458,619.35 and 403,360.72 is: 605,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,979.06 : 1,458,619.35 = 403,360.72 : x
  2. Step 2: Convert to fraction form
    971,979.06/1,458,619.35 = 403,360.72/x
  3. Step 3: Cross multiply
    971,979.06x = 1,458,619.35 × 403,360.72
  4. Step 4: Simplify right side
    971,979.06x = 588,349,751,221.93
  5. Step 5: Solve for x
    x = 588,349,751,221.93/971,979.06
  6. Step 6: Final answer
    x = 605,311.14

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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.