Home / 940,617.88-1,298,062.20-510,906.40

Finding the Fourth Proportional to 940,617.88, 1,298,062.20 and 510,906.40

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Solution

The fourth proportional to 940,617.88, 1,298,062.20 and 510,906.40 is: 705,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,617.88 : 1,298,062.20 = 510,906.40 : x
  2. Step 2: Convert to fraction form
    940,617.88/1,298,062.20 = 510,906.40/x
  3. Step 3: Cross multiply
    940,617.88x = 1,298,062.20 × 510,906.40
  4. Step 4: Simplify right side
    940,617.88x = 663,188,285,578.08
  5. Step 5: Solve for x
    x = 663,188,285,578.08/940,617.88
  6. Step 6: Final answer
    x = 705,056.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.