Home / 940,377.76-1,297,730.72-510,661.60

Finding the Fourth Proportional to 940,377.76, 1,297,730.72 and 510,661.60

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Solution

The fourth proportional to 940,377.76, 1,297,730.72 and 510,661.60 is: 704,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,377.76 : 1,297,730.72 = 510,661.60 : x
  2. Step 2: Convert to fraction form
    940,377.76/1,297,730.72 = 510,661.60/x
  3. Step 3: Cross multiply
    940,377.76x = 1,297,730.72 × 510,661.60
  4. Step 4: Simplify right side
    940,377.76x = 662,701,245,844.35
  5. Step 5: Solve for x
    x = 662,701,245,844.35/940,377.76
  6. Step 6: Final answer
    x = 704,718.12

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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.