Home / 939,959.58-1,297,145.86-510,240

Finding the Fourth Proportional to 939,959.58, 1,297,145.86 and 510,240

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Solution

The fourth proportional to 939,959.58, 1,297,145.86 and 510,240 is: 704,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,959.58 : 1,297,145.86 = 510,240 : x
  2. Step 2: Convert to fraction form
    939,959.58/1,297,145.86 = 510,240/x
  3. Step 3: Cross multiply
    939,959.58x = 1,297,145.86 × 510,240
  4. Step 4: Simplify right side
    939,959.58x = 661,855,703,606.40
  5. Step 5: Solve for x
    x = 661,855,703,606.40/939,959.58
  6. Step 6: Final answer
    x = 704,132.09

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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.