Home / 797,986.31-1,101,218.76-435,407.63

Finding the Fourth Proportional to 797,986.31, 1,101,218.76 and 435,407.63

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Solution

The fourth proportional to 797,986.31, 1,101,218.76 and 435,407.63 is: 600,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,986.31 : 1,101,218.76 = 435,407.63 : x
  2. Step 2: Convert to fraction form
    797,986.31/1,101,218.76 = 435,407.63/x
  3. Step 3: Cross multiply
    797,986.31x = 1,101,218.76 × 435,407.63
  4. Step 4: Simplify right side
    797,986.31x = 479,479,044,897.05
  5. Step 5: Solve for x
    x = 479,479,044,897.05/797,986.31
  6. Step 6: Final answer
    x = 600,861.25

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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.