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Finding the Fourth Proportional to 500,457.75, 748,803.24 and 350,989.80

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Solution

The fourth proportional to 500,457.75, 748,803.24 and 350,989.80 is: 525,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,457.75 : 748,803.24 = 350,989.80 : x
  2. Step 2: Convert to fraction form
    500,457.75/748,803.24 = 350,989.80/x
  3. Step 3: Cross multiply
    500,457.75x = 748,803.24 × 350,989.80
  4. Step 4: Simplify right side
    500,457.75x = 262,822,299,446.95
  5. Step 5: Solve for x
    x = 262,822,299,446.95/500,457.75
  6. Step 6: Final answer
    x = 525,163.81

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1.5x scale

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.