Home / 686,767.76-1,030,447.64-371,446.64

Finding the Fourth Proportional to 686,767.76, 1,030,447.64 and 371,446.64

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Solution

The fourth proportional to 686,767.76, 1,030,447.64 and 371,446.64 is: 557,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,767.76 : 1,030,447.64 = 371,446.64 : x
  2. Step 2: Convert to fraction form
    686,767.76/1,030,447.64 = 371,446.64/x
  3. Step 3: Cross multiply
    686,767.76x = 1,030,447.64 × 371,446.64
  4. Step 4: Simplify right side
    686,767.76x = 382,756,313,573.93
  5. Step 5: Solve for x
    x = 382,756,313,573.93/686,767.76
  6. Step 6: Final answer
    x = 557,330.06

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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.