Home / 841,730.32-1,263,098.49-309,305.17

Finding the Fourth Proportional to 841,730.32, 1,263,098.49 and 309,305.17

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Solution

The fourth proportional to 841,730.32, 1,263,098.49 and 309,305.17 is: 464,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,730.32 : 1,263,098.49 = 309,305.17 : x
  2. Step 2: Convert to fraction form
    841,730.32/1,263,098.49 = 309,305.17/x
  3. Step 3: Cross multiply
    841,730.32x = 1,263,098.49 × 309,305.17
  4. Step 4: Simplify right side
    841,730.32x = 390,682,888,230.09
  5. Step 5: Solve for x
    x = 390,682,888,230.09/841,730.32
  6. Step 6: Final answer
    x = 464,142.59

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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.