Home / 988,728.96-1,483,208.64-357,939.84

Finding the Fourth Proportional to 988,728.96, 1,483,208.64 and 357,939.84

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Solution

The fourth proportional to 988,728.96, 1,483,208.64 and 357,939.84 is: 536,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,728.96 : 1,483,208.64 = 357,939.84 : x
  2. Step 2: Convert to fraction form
    988,728.96/1,483,208.64 = 357,939.84/x
  3. Step 3: Cross multiply
    988,728.96x = 1,483,208.64 × 357,939.84
  4. Step 4: Simplify right side
    988,728.96x = 530,899,463,288.22
  5. Step 5: Solve for x
    x = 530,899,463,288.22/988,728.96
  6. Step 6: Final answer
    x = 536,951.46

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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.