Home / 975,651.41-1,463,477.11-643,149.65

Finding the Fourth Proportional to 975,651.41, 1,463,477.11 and 643,149.65

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Solution

The fourth proportional to 975,651.41, 1,463,477.11 and 643,149.65 is: 964,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,651.41 : 1,463,477.11 = 643,149.65 : x
  2. Step 2: Convert to fraction form
    975,651.41/1,463,477.11 = 643,149.65/x
  3. Step 3: Cross multiply
    975,651.41x = 1,463,477.11 × 643,149.65
  4. Step 4: Simplify right side
    975,651.41x = 941,234,782,154.25
  5. Step 5: Solve for x
    x = 941,234,782,154.25/975,651.41
  6. Step 6: Final answer
    x = 964,724.47

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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.