Home / 698,812.28-1,048,241.72-193,330.91

Finding the Fourth Proportional to 698,812.28, 1,048,241.72 and 193,330.91

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Solution

The fourth proportional to 698,812.28, 1,048,241.72 and 193,330.91 is: 290,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,812.28 : 1,048,241.72 = 193,330.91 : x
  2. Step 2: Convert to fraction form
    698,812.28/1,048,241.72 = 193,330.91/x
  3. Step 3: Cross multiply
    698,812.28x = 1,048,241.72 × 193,330.91
  4. Step 4: Simplify right side
    698,812.28x = 202,657,528,778.26
  5. Step 5: Solve for x
    x = 202,657,528,778.26/698,812.28
  6. Step 6: Final answer
    x = 290,002.82

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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.