Home / 698,792.04-1,048,179.60-492,778.08

Finding the Fourth Proportional to 698,792.04, 1,048,179.60 and 492,778.08

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Solution

The fourth proportional to 698,792.04, 1,048,179.60 and 492,778.08 is: 739,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,792.04 : 1,048,179.60 = 492,778.08 : x
  2. Step 2: Convert to fraction form
    698,792.04/1,048,179.60 = 492,778.08/x
  3. Step 3: Cross multiply
    698,792.04x = 1,048,179.60 × 492,778.08
  4. Step 4: Simplify right side
    698,792.04x = 516,519,930,783.17
  5. Step 5: Solve for x
    x = 516,519,930,783.17/698,792.04
  6. Step 6: Final answer
    x = 739,161.15

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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.