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Finding the Fourth Proportional to 580,499.01, 869,717.34 and 495,395.55

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Solution

The fourth proportional to 580,499.01, 869,717.34 and 495,395.55 is: 742,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,499.01 : 869,717.34 = 495,395.55 : x
  2. Step 2: Convert to fraction form
    580,499.01/869,717.34 = 495,395.55/x
  3. Step 3: Cross multiply
    580,499.01x = 869,717.34 × 495,395.55
  4. Step 4: Simplify right side
    580,499.01x = 430,854,099,993.84
  5. Step 5: Solve for x
    x = 430,854,099,993.84/580,499.01
  6. Step 6: Final answer
    x = 742,213.32

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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.