Home / 724,100.42-1,090,486.76-659,457.56

Finding the Fourth Proportional to 724,100.42, 1,090,486.76 and 659,457.56

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Solution

The fourth proportional to 724,100.42, 1,090,486.76 and 659,457.56 is: 993,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,100.42 : 1,090,486.76 = 659,457.56 : x
  2. Step 2: Convert to fraction form
    724,100.42/1,090,486.76 = 659,457.56/x
  3. Step 3: Cross multiply
    724,100.42x = 1,090,486.76 × 659,457.56
  4. Step 4: Simplify right side
    724,100.42x = 719,129,737,961.91
  5. Step 5: Solve for x
    x = 719,129,737,961.91/724,100.42
  6. Step 6: Final answer
    x = 993,135.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.