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Finding the Fourth Proportional to 580,457.04, 871,021.71 and 243,467.70

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Solution

The fourth proportional to 580,457.04, 871,021.71 and 243,467.70 is: 365,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,457.04 : 871,021.71 = 243,467.70 : x
  2. Step 2: Convert to fraction form
    580,457.04/871,021.71 = 243,467.70/x
  3. Step 3: Cross multiply
    580,457.04x = 871,021.71 × 243,467.70
  4. Step 4: Simplify right side
    580,457.04x = 212,065,652,383.77
  5. Step 5: Solve for x
    x = 212,065,652,383.77/580,457.04
  6. Step 6: Final answer
    x = 365,342.55

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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.