Home / 855,701.04-1,283,534.28-294,723.12

Finding the Fourth Proportional to 855,701.04, 1,283,534.28 and 294,723.12

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Solution

The fourth proportional to 855,701.04, 1,283,534.28 and 294,723.12 is: 442,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,701.04 : 1,283,534.28 = 294,723.12 : x
  2. Step 2: Convert to fraction form
    855,701.04/1,283,534.28 = 294,723.12/x
  3. Step 3: Cross multiply
    855,701.04x = 1,283,534.28 × 294,723.12
  4. Step 4: Simplify right side
    855,701.04x = 378,287,227,628.55
  5. Step 5: Solve for x
    x = 378,287,227,628.55/855,701.04
  6. Step 6: Final answer
    x = 442,078.73

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1.5x scale

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.