Home / 910,877.06-1,366,365.39-378,451.90

Finding the Fourth Proportional to 910,877.06, 1,366,365.39 and 378,451.90

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Solution

The fourth proportional to 910,877.06, 1,366,365.39 and 378,451.90 is: 567,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,877.06 : 1,366,365.39 = 378,451.90 : x
  2. Step 2: Convert to fraction form
    910,877.06/1,366,365.39 = 378,451.90/x
  3. Step 3: Cross multiply
    910,877.06x = 1,366,365.39 × 378,451.90
  4. Step 4: Simplify right side
    910,877.06x = 517,103,577,939.74
  5. Step 5: Solve for x
    x = 517,103,577,939.74/910,877.06
  6. Step 6: Final answer
    x = 567,698.54

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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.