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Finding the Fourth Proportional to 566,014.16, 781,099.44 and 339,659.84

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Solution

The fourth proportional to 566,014.16, 781,099.44 and 339,659.84 is: 468,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,014.16 : 781,099.44 = 339,659.84 : x
  2. Step 2: Convert to fraction form
    566,014.16/781,099.44 = 339,659.84/x
  3. Step 3: Cross multiply
    566,014.16x = 781,099.44 × 339,659.84
  4. Step 4: Simplify right side
    566,014.16x = 265,308,110,814.49
  5. Step 5: Solve for x
    x = 265,308,110,814.49/566,014.16
  6. Step 6: Final answer
    x = 468,730.52

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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.