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Finding the Fourth Proportional to 623,004, 859,745.84 and 336,524.08

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Solution

The fourth proportional to 623,004, 859,745.84 and 336,524.08 is: 464,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,004 : 859,745.84 = 336,524.08 : x
  2. Step 2: Convert to fraction form
    623,004/859,745.84 = 336,524.08/x
  3. Step 3: Cross multiply
    623,004x = 859,745.84 × 336,524.08
  4. Step 4: Simplify right side
    623,004x = 289,325,177,839.83
  5. Step 5: Solve for x
    x = 289,325,177,839.83/623,004
  6. Step 6: Final answer
    x = 464,403.40

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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.