Home / 975,647.41-1,463,471.11-643,145.65

Finding the Fourth Proportional to 975,647.41, 1,463,471.11 and 643,145.65

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Solution

The fourth proportional to 975,647.41, 1,463,471.11 and 643,145.65 is: 964,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,647.41 : 1,463,471.11 = 643,145.65 : x
  2. Step 2: Convert to fraction form
    975,647.41/1,463,471.11 = 643,145.65/x
  3. Step 3: Cross multiply
    975,647.41x = 1,463,471.11 × 643,145.65
  4. Step 4: Simplify right side
    975,647.41x = 941,225,078,297.17
  5. Step 5: Solve for x
    x = 941,225,078,297.17/975,647.41
  6. Step 6: Final answer
    x = 964,718.47

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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.