Home / 940,478.48-1,297,860-510,758.72

Finding the Fourth Proportional to 940,478.48, 1,297,860 and 510,758.72

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Solution

The fourth proportional to 940,478.48, 1,297,860 and 510,758.72 is: 704,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,478.48 : 1,297,860 = 510,758.72 : x
  2. Step 2: Convert to fraction form
    940,478.48/1,297,860 = 510,758.72/x
  3. Step 3: Cross multiply
    940,478.48x = 1,297,860 × 510,758.72
  4. Step 4: Simplify right side
    940,478.48x = 662,893,312,339.20
  5. Step 5: Solve for x
    x = 662,893,312,339.20/940,478.48
  6. Step 6: Final answer
    x = 704,846.87

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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.