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Finding the Fourth Proportional to 605,004.60, 907,506.90 and 565,638.60

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Solution

The fourth proportional to 605,004.60, 907,506.90 and 565,638.60 is: 848,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,004.60 : 907,506.90 = 565,638.60 : x
  2. Step 2: Convert to fraction form
    605,004.60/907,506.90 = 565,638.60/x
  3. Step 3: Cross multiply
    605,004.60x = 907,506.90 × 565,638.60
  4. Step 4: Simplify right side
    605,004.60x = 513,320,932,406.34
  5. Step 5: Solve for x
    x = 513,320,932,406.34/605,004.60
  6. Step 6: Final answer
    x = 848,457.90

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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.