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Finding the Fourth Proportional to 722,477.64, 997,501.32 and 450,654.60

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Solution

The fourth proportional to 722,477.64, 997,501.32 and 450,654.60 is: 622,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,477.64 : 997,501.32 = 450,654.60 : x
  2. Step 2: Convert to fraction form
    722,477.64/997,501.32 = 450,654.60/x
  3. Step 3: Cross multiply
    722,477.64x = 997,501.32 × 450,654.60
  4. Step 4: Simplify right side
    722,477.64x = 449,528,558,364.07
  5. Step 5: Solve for x
    x = 449,528,558,364.07/722,477.64
  6. Step 6: Final answer
    x = 622,204.11

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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.