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Finding the Fourth Proportional to 560,181.92, 839,842.16 and 290,020.46

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Solution

The fourth proportional to 560,181.92, 839,842.16 and 290,020.46 is: 434,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,181.92 : 839,842.16 = 290,020.46 : x
  2. Step 2: Convert to fraction form
    560,181.92/839,842.16 = 290,020.46/x
  3. Step 3: Cross multiply
    560,181.92x = 839,842.16 × 290,020.46
  4. Step 4: Simplify right side
    560,181.92x = 243,571,403,921.28
  5. Step 5: Solve for x
    x = 243,571,403,921.28/560,181.92
  6. Step 6: Final answer
    x = 434,807.69

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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.