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Finding the Fourth Proportional to 563,104.64, 842,693.43 and 460,719.42

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Solution

The fourth proportional to 563,104.64, 842,693.43 and 460,719.42 is: 689,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,104.64 : 842,693.43 = 460,719.42 : x
  2. Step 2: Convert to fraction form
    563,104.64/842,693.43 = 460,719.42/x
  3. Step 3: Cross multiply
    563,104.64x = 842,693.43 × 460,719.42
  4. Step 4: Simplify right side
    563,104.64x = 388,245,228,307.41
  5. Step 5: Solve for x
    x = 388,245,228,307.41/563,104.64
  6. Step 6: Final answer
    x = 689,472.61

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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.