Home / 915,529-1,263,445.23-507,648.06

Finding the Fourth Proportional to 915,529, 1,263,445.23 and 507,648.06

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Solution

The fourth proportional to 915,529, 1,263,445.23 and 507,648.06 is: 700,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,529 : 1,263,445.23 = 507,648.06 : x
  2. Step 2: Convert to fraction form
    915,529/1,263,445.23 = 507,648.06/x
  3. Step 3: Cross multiply
    915,529x = 1,263,445.23 × 507,648.06
  4. Step 4: Simplify right side
    915,529x = 641,385,513,608.53
  5. Step 5: Solve for x
    x = 641,385,513,608.53/915,529
  6. Step 6: Final answer
    x = 700,562.75

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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.