Home / 789,806.16-1,089,586.28-462,953.48

Finding the Fourth Proportional to 789,806.16, 1,089,586.28 and 462,953.48

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Solution

The fourth proportional to 789,806.16, 1,089,586.28 and 462,953.48 is: 638,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,806.16 : 1,089,586.28 = 462,953.48 : x
  2. Step 2: Convert to fraction form
    789,806.16/1,089,586.28 = 462,953.48/x
  3. Step 3: Cross multiply
    789,806.16x = 1,089,586.28 × 462,953.48
  4. Step 4: Simplify right side
    789,806.16x = 504,427,755,795.71
  5. Step 5: Solve for x
    x = 504,427,755,795.71/789,806.16
  6. Step 6: Final answer
    x = 638,672.86

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Double scale
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1.5x scale

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.