Home / 683,740.10-1,025,610.15-644,374.10

Finding the Fourth Proportional to 683,740.10, 1,025,610.15 and 644,374.10

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Solution

The fourth proportional to 683,740.10, 1,025,610.15 and 644,374.10 is: 966,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,740.10 : 1,025,610.15 = 644,374.10 : x
  2. Step 2: Convert to fraction form
    683,740.10/1,025,610.15 = 644,374.10/x
  3. Step 3: Cross multiply
    683,740.10x = 1,025,610.15 × 644,374.10
  4. Step 4: Simplify right side
    683,740.10x = 660,876,617,357.12
  5. Step 5: Solve for x
    x = 660,876,617,357.12/683,740.10
  6. Step 6: Final answer
    x = 966,561.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.