Home / 975,660.42-1,463,490.64-643,158.66

Finding the Fourth Proportional to 975,660.42, 1,463,490.64 and 643,158.66

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Solution

The fourth proportional to 975,660.42, 1,463,490.64 and 643,158.66 is: 964,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,660.42 : 1,463,490.64 = 643,158.66 : x
  2. Step 2: Convert to fraction form
    975,660.42/1,463,490.64 = 643,158.66/x
  3. Step 3: Cross multiply
    975,660.42x = 1,463,490.64 × 643,158.66
  4. Step 4: Simplify right side
    975,660.42x = 941,256,678,944.94
  5. Step 5: Solve for x
    x = 941,256,678,944.94/975,660.42
  6. Step 6: Final answer
    x = 964,738.00

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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.