Home / 780,064.95-1,170,097.43-479,571.15

Finding the Fourth Proportional to 780,064.95, 1,170,097.43 and 479,571.15

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Solution

The fourth proportional to 780,064.95, 1,170,097.43 and 479,571.15 is: 719,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,064.95 : 1,170,097.43 = 479,571.15 : x
  2. Step 2: Convert to fraction form
    780,064.95/1,170,097.43 = 479,571.15/x
  3. Step 3: Cross multiply
    780,064.95x = 1,170,097.43 × 479,571.15
  4. Step 4: Simplify right side
    780,064.95x = 561,144,967,719.29
  5. Step 5: Solve for x
    x = 561,144,967,719.29/780,064.95
  6. Step 6: Final answer
    x = 719,356.73

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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.