Home / 806,360.07-1,112,735.40-443,818.35

Finding the Fourth Proportional to 806,360.07, 1,112,735.40 and 443,818.35

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Solution

The fourth proportional to 806,360.07, 1,112,735.40 and 443,818.35 is: 612,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,360.07 : 1,112,735.40 = 443,818.35 : x
  2. Step 2: Convert to fraction form
    806,360.07/1,112,735.40 = 443,818.35/x
  3. Step 3: Cross multiply
    806,360.07x = 1,112,735.40 × 443,818.35
  4. Step 4: Simplify right side
    806,360.07x = 493,852,389,214.59
  5. Step 5: Solve for x
    x = 493,852,389,214.59/806,360.07
  6. Step 6: Final answer
    x = 612,446.48

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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.