Home / 843,746.08-1,265,419.68-310,977.76

Finding the Fourth Proportional to 843,746.08, 1,265,419.68 and 310,977.76

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Solution

The fourth proportional to 843,746.08, 1,265,419.68 and 310,977.76 is: 466,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,746.08 : 1,265,419.68 = 310,977.76 : x
  2. Step 2: Convert to fraction form
    843,746.08/1,265,419.68 = 310,977.76/x
  3. Step 3: Cross multiply
    843,746.08x = 1,265,419.68 × 310,977.76
  4. Step 4: Simplify right side
    843,746.08x = 393,517,377,546.32
  5. Step 5: Solve for x
    x = 393,517,377,546.32/843,746.08
  6. Step 6: Final answer
    x = 466,393.13

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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.