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Finding the Fourth Proportional to 560,189.07, 839,852.87 and 290,027.61

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Solution

The fourth proportional to 560,189.07, 839,852.87 and 290,027.61 is: 434,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,189.07 : 839,852.87 = 290,027.61 : x
  2. Step 2: Convert to fraction form
    560,189.07/839,852.87 = 290,027.61/x
  3. Step 3: Cross multiply
    560,189.07x = 839,852.87 × 290,027.61
  4. Step 4: Simplify right side
    560,189.07x = 243,580,519,187.60
  5. Step 5: Solve for x
    x = 243,580,519,187.60/560,189.07
  6. Step 6: Final answer
    x = 434,818.41

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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.