Home / 843,763.08-1,265,445.18-310,994.76

Finding the Fourth Proportional to 843,763.08, 1,265,445.18 and 310,994.76

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Solution

The fourth proportional to 843,763.08, 1,265,445.18 and 310,994.76 is: 466,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,763.08 : 1,265,445.18 = 310,994.76 : x
  2. Step 2: Convert to fraction form
    843,763.08/1,265,445.18 = 310,994.76/x
  3. Step 3: Cross multiply
    843,763.08x = 1,265,445.18 × 310,994.76
  4. Step 4: Simplify right side
    843,763.08x = 393,546,820,047.26
  5. Step 5: Solve for x
    x = 393,546,820,047.26/843,763.08
  6. Step 6: Final answer
    x = 466,418.63

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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.