Home / 939,851.76-1,297,004.80-510,136

Finding the Fourth Proportional to 939,851.76, 1,297,004.80 and 510,136

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Solution

The fourth proportional to 939,851.76, 1,297,004.80 and 510,136 is: 703,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,851.76 : 1,297,004.80 = 510,136 : x
  2. Step 2: Convert to fraction form
    939,851.76/1,297,004.80 = 510,136/x
  3. Step 3: Cross multiply
    939,851.76x = 1,297,004.80 × 510,136
  4. Step 4: Simplify right side
    939,851.76x = 661,648,840,652.80
  5. Step 5: Solve for x
    x = 661,648,840,652.80/939,851.76
  6. Step 6: Final answer
    x = 703,992.77

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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.