Home / 855,293.70-1,283,225.61-286,731.06

Finding the Fourth Proportional to 855,293.70, 1,283,225.61 and 286,731.06

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Solution

The fourth proportional to 855,293.70, 1,283,225.61 and 286,731.06 is: 430,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,293.70 : 1,283,225.61 = 286,731.06 : x
  2. Step 2: Convert to fraction form
    855,293.70/1,283,225.61 = 286,731.06/x
  3. Step 3: Cross multiply
    855,293.70x = 1,283,225.61 × 286,731.06
  4. Step 4: Simplify right side
    855,293.70x = 367,940,639,374.45
  5. Step 5: Solve for x
    x = 367,940,639,374.45/855,293.70
  6. Step 6: Final answer
    x = 430,192.15

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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.