Home / 866,021.66-1,195,061.43-478,814.52

Finding the Fourth Proportional to 866,021.66, 1,195,061.43 and 478,814.52

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Solution

The fourth proportional to 866,021.66, 1,195,061.43 and 478,814.52 is: 660,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,021.66 : 1,195,061.43 = 478,814.52 : x
  2. Step 2: Convert to fraction form
    866,021.66/1,195,061.43 = 478,814.52/x
  3. Step 3: Cross multiply
    866,021.66x = 1,195,061.43 × 478,814.52
  4. Step 4: Simplify right side
    866,021.66x = 572,212,764,975.96
  5. Step 5: Solve for x
    x = 572,212,764,975.96/866,021.66
  6. Step 6: Final answer
    x = 660,737.25

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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.