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Finding the Fourth Proportional to 659,322.70, 988,984.05 and 598,305.40

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Solution

The fourth proportional to 659,322.70, 988,984.05 and 598,305.40 is: 897,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,322.70 : 988,984.05 = 598,305.40 : x
  2. Step 2: Convert to fraction form
    659,322.70/988,984.05 = 598,305.40/x
  3. Step 3: Cross multiply
    659,322.70x = 988,984.05 × 598,305.40
  4. Step 4: Simplify right side
    659,322.70x = 591,714,497,628.87
  5. Step 5: Solve for x
    x = 591,714,497,628.87/659,322.70
  6. Step 6: Final answer
    x = 897,458.10

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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.