Home / 939,962.86-1,297,172.25-510,242.95

Finding the Fourth Proportional to 939,962.86, 1,297,172.25 and 510,242.95

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Solution

The fourth proportional to 939,962.86, 1,297,172.25 and 510,242.95 is: 704,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,962.86 : 1,297,172.25 = 510,242.95 : x
  2. Step 2: Convert to fraction form
    939,962.86/1,297,172.25 = 510,242.95/x
  3. Step 3: Cross multiply
    939,962.86x = 1,297,172.25 × 510,242.95
  4. Step 4: Simplify right side
    939,962.86x = 661,872,995,498.14
  5. Step 5: Solve for x
    x = 661,872,995,498.14/939,962.86
  6. Step 6: Final answer
    x = 704,148.03

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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.