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Finding the Fourth Proportional to 570,833.28, 787,832.64 and 344,511.36

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Solution

The fourth proportional to 570,833.28, 787,832.64 and 344,511.36 is: 475,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,833.28 : 787,832.64 = 344,511.36 : x
  2. Step 2: Convert to fraction form
    570,833.28/787,832.64 = 344,511.36/x
  3. Step 3: Cross multiply
    570,833.28x = 787,832.64 × 344,511.36
  4. Step 4: Simplify right side
    570,833.28x = 271,417,294,258.79
  5. Step 5: Solve for x
    x = 271,417,294,258.79/570,833.28
  6. Step 6: Final answer
    x = 475,475.60

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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.