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Finding the Fourth Proportional to 488,246.60, 684,011.80 and 488,246.60

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Solution

The fourth proportional to 488,246.60, 684,011.80 and 488,246.60 is: 684,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,246.60 : 684,011.80 = 488,246.60 : x
  2. Step 2: Convert to fraction form
    488,246.60/684,011.80 = 488,246.60/x
  3. Step 3: Cross multiply
    488,246.60x = 684,011.80 × 488,246.60
  4. Step 4: Simplify right side
    488,246.60x = 333,966,435,709.88
  5. Step 5: Solve for x
    x = 333,966,435,709.88/488,246.60
  6. Step 6: Final answer
    x = 684,011.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.