Home / 806,002.88-1,112,283.95-443,418.93

Finding the Fourth Proportional to 806,002.88, 1,112,283.95 and 443,418.93

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Solution

The fourth proportional to 806,002.88, 1,112,283.95 and 443,418.93 is: 611,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,002.88 : 1,112,283.95 = 443,418.93 : x
  2. Step 2: Convert to fraction form
    806,002.88/1,112,283.95 = 443,418.93/x
  3. Step 3: Cross multiply
    806,002.88x = 1,112,283.95 × 443,418.93
  4. Step 4: Simplify right side
    806,002.88x = 493,207,756,748.08
  5. Step 5: Solve for x
    x = 493,207,756,748.08/806,002.88
  6. Step 6: Final answer
    x = 611,918.11

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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.