Home / 940,711.48-1,298,180.80-510,991.92

Finding the Fourth Proportional to 940,711.48, 1,298,180.80 and 510,991.92

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Solution

The fourth proportional to 940,711.48, 1,298,180.80 and 510,991.92 is: 705,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,711.48 : 1,298,180.80 = 510,991.92 : x
  2. Step 2: Convert to fraction form
    940,711.48/1,298,180.80 = 510,991.92/x
  3. Step 3: Cross multiply
    940,711.48x = 1,298,180.80 × 510,991.92
  4. Step 4: Simplify right side
    940,711.48x = 663,359,899,499.14
  5. Step 5: Solve for x
    x = 663,359,899,499.14/940,711.48
  6. Step 6: Final answer
    x = 705,168.28

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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.