Home / 940,498.20-1,297,895.13-510,781.40

Finding the Fourth Proportional to 940,498.20, 1,297,895.13 and 510,781.40

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Solution

The fourth proportional to 940,498.20, 1,297,895.13 and 510,781.40 is: 704,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,498.20 : 1,297,895.13 = 510,781.40 : x
  2. Step 2: Convert to fraction form
    940,498.20/1,297,895.13 = 510,781.40/x
  3. Step 3: Cross multiply
    940,498.20x = 1,297,895.13 × 510,781.40
  4. Step 4: Simplify right side
    940,498.20x = 662,940,688,309.84
  5. Step 5: Solve for x
    x = 662,940,688,309.84/940,498.20
  6. Step 6: Final answer
    x = 704,882.47

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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.