Home / 910,862.44-1,366,298.32-378,384.06

Finding the Fourth Proportional to 910,862.44, 1,366,298.32 and 378,384.06

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Solution

The fourth proportional to 910,862.44, 1,366,298.32 and 378,384.06 is: 567,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,862.44 : 1,366,298.32 = 378,384.06 : x
  2. Step 2: Convert to fraction form
    910,862.44/1,366,298.32 = 378,384.06/x
  3. Step 3: Cross multiply
    910,862.44x = 1,366,298.32 × 378,384.06
  4. Step 4: Simplify right side
    910,862.44x = 516,985,505,492.78
  5. Step 5: Solve for x
    x = 516,985,505,492.78/910,862.44
  6. Step 6: Final answer
    x = 567,578.03

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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.