Home / 939,855.24-1,297,001.56-510,135.46

Finding the Fourth Proportional to 939,855.24, 1,297,001.56 and 510,135.46

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Solution

The fourth proportional to 939,855.24, 1,297,001.56 and 510,135.46 is: 703,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,855.24 : 1,297,001.56 = 510,135.46 : x
  2. Step 2: Convert to fraction form
    939,855.24/1,297,001.56 = 510,135.46/x
  3. Step 3: Cross multiply
    939,855.24x = 1,297,001.56 × 510,135.46
  4. Step 4: Simplify right side
    939,855.24x = 661,646,487,431.32
  5. Step 5: Solve for x
    x = 661,646,487,431.32/939,855.24
  6. Step 6: Final answer
    x = 703,987.66

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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.