Home / 855,381.71-1,283,357.58-286,819.02

Finding the Fourth Proportional to 855,381.71, 1,283,357.58 and 286,819.02

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Solution

The fourth proportional to 855,381.71, 1,283,357.58 and 286,819.02 is: 430,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,381.71 : 1,283,357.58 = 286,819.02 : x
  2. Step 2: Convert to fraction form
    855,381.71/1,283,357.58 = 286,819.02/x
  3. Step 3: Cross multiply
    855,381.71x = 1,283,357.58 × 286,819.02
  4. Step 4: Simplify right side
    855,381.71x = 368,091,363,405.17
  5. Step 5: Solve for x
    x = 368,091,363,405.17/855,381.71
  6. Step 6: Final answer
    x = 430,324.10

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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.