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Finding the Fourth Proportional to 409,271.70, 613,907.55 and 409,271.70

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Solution

The fourth proportional to 409,271.70, 613,907.55 and 409,271.70 is: 613,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,271.70 : 613,907.55 = 409,271.70 : x
  2. Step 2: Convert to fraction form
    409,271.70/613,907.55 = 409,271.70/x
  3. Step 3: Cross multiply
    409,271.70x = 613,907.55 × 409,271.70
  4. Step 4: Simplify right side
    409,271.70x = 251,254,986,631.34
  5. Step 5: Solve for x
    x = 251,254,986,631.34/409,271.70
  6. Step 6: Final answer
    x = 613,907.55

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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.