Home / 885,341.32-1,328,010.76-353,236.02

Finding the Fourth Proportional to 885,341.32, 1,328,010.76 and 353,236.02

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Solution

The fourth proportional to 885,341.32, 1,328,010.76 and 353,236.02 is: 529,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,341.32 : 1,328,010.76 = 353,236.02 : x
  2. Step 2: Convert to fraction form
    885,341.32/1,328,010.76 = 353,236.02/x
  3. Step 3: Cross multiply
    885,341.32x = 1,328,010.76 × 353,236.02
  4. Step 4: Simplify right side
    885,341.32x = 469,101,235,379.58
  5. Step 5: Solve for x
    x = 469,101,235,379.58/885,341.32
  6. Step 6: Final answer
    x = 529,853.54

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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.