Home / 806,110.67-1,112,459.52-443,561.15

Finding the Fourth Proportional to 806,110.67, 1,112,459.52 and 443,561.15

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Solution

The fourth proportional to 806,110.67, 1,112,459.52 and 443,561.15 is: 612,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,110.67 : 1,112,459.52 = 443,561.15 : x
  2. Step 2: Convert to fraction form
    806,110.67/1,112,459.52 = 443,561.15/x
  3. Step 3: Cross multiply
    806,110.67x = 1,112,459.52 × 443,561.15
  4. Step 4: Simplify right side
    806,110.67x = 493,443,818,457.35
  5. Step 5: Solve for x
    x = 493,443,818,457.35/806,110.67
  6. Step 6: Final answer
    x = 612,129.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.