Home / 975,647.66-1,463,471.48-643,145.90

Finding the Fourth Proportional to 975,647.66, 1,463,471.48 and 643,145.90

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Solution

The fourth proportional to 975,647.66, 1,463,471.48 and 643,145.90 is: 964,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,647.66 : 1,463,471.48 = 643,145.90 : x
  2. Step 2: Convert to fraction form
    975,647.66/1,463,471.48 = 643,145.90/x
  3. Step 3: Cross multiply
    975,647.66x = 1,463,471.48 × 643,145.90
  4. Step 4: Simplify right side
    975,647.66x = 941,225,676,419.44
  5. Step 5: Solve for x
    x = 941,225,676,419.44/975,647.66
  6. Step 6: Final answer
    x = 964,718.84

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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.