Home / 940,149.70-1,297,407.45-510,429.58

Finding the Fourth Proportional to 940,149.70, 1,297,407.45 and 510,429.58

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Solution

The fourth proportional to 940,149.70, 1,297,407.45 and 510,429.58 is: 704,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,149.70 : 1,297,407.45 = 510,429.58 : x
  2. Step 2: Convert to fraction form
    940,149.70/1,297,407.45 = 510,429.58/x
  3. Step 3: Cross multiply
    940,149.70x = 1,297,407.45 × 510,429.58
  4. Step 4: Simplify right side
    940,149.70x = 662,235,139,792.37
  5. Step 5: Solve for x
    x = 662,235,139,792.37/940,149.70
  6. Step 6: Final answer
    x = 704,393.29

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1.5x scale

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.