Home / 648,212.56-894,426.33-361,731.95

Finding the Fourth Proportional to 648,212.56, 894,426.33 and 361,731.95

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Solution

The fourth proportional to 648,212.56, 894,426.33 and 361,731.95 is: 499,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,212.56 : 894,426.33 = 361,731.95 : x
  2. Step 2: Convert to fraction form
    648,212.56/894,426.33 = 361,731.95/x
  3. Step 3: Cross multiply
    648,212.56x = 894,426.33 × 361,731.95
  4. Step 4: Simplify right side
    648,212.56x = 323,542,580,482.24
  5. Step 5: Solve for x
    x = 323,542,580,482.24/648,212.56
  6. Step 6: Final answer
    x = 499,130.38

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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.