Home / 679,551.68-1,019,608.32-342,412.16

Finding the Fourth Proportional to 679,551.68, 1,019,608.32 and 342,412.16

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Solution

The fourth proportional to 679,551.68, 1,019,608.32 and 342,412.16 is: 513,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,551.68 : 1,019,608.32 = 342,412.16 : x
  2. Step 2: Convert to fraction form
    679,551.68/1,019,608.32 = 342,412.16/x
  3. Step 3: Cross multiply
    679,551.68x = 1,019,608.32 × 342,412.16
  4. Step 4: Simplify right side
    679,551.68x = 349,126,287,205.17
  5. Step 5: Solve for x
    x = 349,126,287,205.17/679,551.68
  6. Step 6: Final answer
    x = 513,759.73

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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.