Home / 896,563.38-1,237,221.39-488,656.50

Finding the Fourth Proportional to 896,563.38, 1,237,221.39 and 488,656.50

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Solution

The fourth proportional to 896,563.38, 1,237,221.39 and 488,656.50 is: 674,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,563.38 : 1,237,221.39 = 488,656.50 : x
  2. Step 2: Convert to fraction form
    896,563.38/1,237,221.39 = 488,656.50/x
  3. Step 3: Cross multiply
    896,563.38x = 1,237,221.39 × 488,656.50
  4. Step 4: Simplify right side
    896,563.38x = 604,576,274,162.54
  5. Step 5: Solve for x
    x = 604,576,274,162.54/896,563.38
  6. Step 6: Final answer
    x = 674,326.31

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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.