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Finding the Fourth Proportional to 563,102.64, 842,690.43 and 460,717.41

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Solution

The fourth proportional to 563,102.64, 842,690.43 and 460,717.41 is: 689,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,102.64 : 842,690.43 = 460,717.41 : x
  2. Step 2: Convert to fraction form
    563,102.64/842,690.43 = 460,717.41/x
  3. Step 3: Cross multiply
    563,102.64x = 842,690.43 × 460,717.41
  4. Step 4: Simplify right side
    563,102.64x = 388,242,152,341.39
  5. Step 5: Solve for x
    x = 388,242,152,341.39/563,102.64
  6. Step 6: Final answer
    x = 689,469.60

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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.