Home / 885,691.06-1,328,747.39-286,652.22

Finding the Fourth Proportional to 885,691.06, 1,328,747.39 and 286,652.22

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Solution

The fourth proportional to 885,691.06, 1,328,747.39 and 286,652.22 is: 430,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,691.06 : 1,328,747.39 = 286,652.22 : x
  2. Step 2: Convert to fraction form
    885,691.06/1,328,747.39 = 286,652.22/x
  3. Step 3: Cross multiply
    885,691.06x = 1,328,747.39 × 286,652.22
  4. Step 4: Simplify right side
    885,691.06x = 380,888,389,162.71
  5. Step 5: Solve for x
    x = 380,888,389,162.71/885,691.06
  6. Step 6: Final answer
    x = 430,046.56

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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.