Home / 939,856.24-1,297,002.94-510,136.46

Finding the Fourth Proportional to 939,856.24, 1,297,002.94 and 510,136.46

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Solution

The fourth proportional to 939,856.24, 1,297,002.94 and 510,136.46 is: 703,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.24 : 1,297,002.94 = 510,136.46 : x
  2. Step 2: Convert to fraction form
    939,856.24/1,297,002.94 = 510,136.46/x
  3. Step 3: Cross multiply
    939,856.24x = 1,297,002.94 × 510,136.46
  4. Step 4: Simplify right side
    939,856.24x = 661,648,488,421.19
  5. Step 5: Solve for x
    x = 661,648,488,421.19/939,856.24
  6. Step 6: Final answer
    x = 703,989.04

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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.