Home / 915,526-1,263,441.08-507,645.04

Finding the Fourth Proportional to 915,526, 1,263,441.08 and 507,645.04

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Solution

The fourth proportional to 915,526, 1,263,441.08 and 507,645.04 is: 700,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,526 : 1,263,441.08 = 507,645.04 : x
  2. Step 2: Convert to fraction form
    915,526/1,263,441.08 = 507,645.04/x
  3. Step 3: Cross multiply
    915,526x = 1,263,441.08 × 507,645.04
  4. Step 4: Simplify right side
    915,526x = 641,379,597,594.24
  5. Step 5: Solve for x
    x = 641,379,597,594.24/915,526
  6. Step 6: Final answer
    x = 700,558.58

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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.