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Finding the Fourth Proportional to 608,880.61, 913,302 and 289,262.50

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Solution

The fourth proportional to 608,880.61, 913,302 and 289,262.50 is: 433,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,880.61 : 913,302 = 289,262.50 : x
  2. Step 2: Convert to fraction form
    608,880.61/913,302 = 289,262.50/x
  3. Step 3: Cross multiply
    608,880.61x = 913,302 × 289,262.50
  4. Step 4: Simplify right side
    608,880.61x = 264,184,019,775
  5. Step 5: Solve for x
    x = 264,184,019,775/608,880.61
  6. Step 6: Final answer
    x = 433,884.76

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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.