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Finding the Fourth Proportional to 598,875.09, 897,403.73 and 439,057.45

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Solution

The fourth proportional to 598,875.09, 897,403.73 and 439,057.45 is: 657,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,875.09 : 897,403.73 = 439,057.45 : x
  2. Step 2: Convert to fraction form
    598,875.09/897,403.73 = 439,057.45/x
  3. Step 3: Cross multiply
    598,875.09x = 897,403.73 × 439,057.45
  4. Step 4: Simplify right side
    598,875.09x = 394,011,791,904.92
  5. Step 5: Solve for x
    x = 394,011,791,904.92/598,875.09
  6. Step 6: Final answer
    x = 657,919.82

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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.