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Finding the Fourth Proportional to 659,250.56, 909,765.78 and 357,444.56

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Solution

The fourth proportional to 659,250.56, 909,765.78 and 357,444.56 is: 493,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,250.56 : 909,765.78 = 357,444.56 : x
  2. Step 2: Convert to fraction form
    659,250.56/909,765.78 = 357,444.56/x
  3. Step 3: Cross multiply
    659,250.56x = 909,765.78 × 357,444.56
  4. Step 4: Simplify right side
    659,250.56x = 325,190,829,869.15
  5. Step 5: Solve for x
    x = 325,190,829,869.15/659,250.56
  6. Step 6: Final answer
    x = 493,273.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.