Home / 784,568.76-1,082,669.38-478,596.52

Finding the Fourth Proportional to 784,568.76, 1,082,669.38 and 478,596.52

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Solution

The fourth proportional to 784,568.76, 1,082,669.38 and 478,596.52 is: 660,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,568.76 : 1,082,669.38 = 478,596.52 : x
  2. Step 2: Convert to fraction form
    784,568.76/1,082,669.38 = 478,596.52/x
  3. Step 3: Cross multiply
    784,568.76x = 1,082,669.38 × 478,596.52
  4. Step 4: Simplify right side
    784,568.76x = 518,161,797,578.56
  5. Step 5: Solve for x
    x = 518,161,797,578.56/784,568.76
  6. Step 6: Final answer
    x = 660,441.54

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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.