Home / 698,720.46-1,048,119.57-200,071.50

Finding the Fourth Proportional to 698,720.46, 1,048,119.57 and 200,071.50

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Solution

The fourth proportional to 698,720.46, 1,048,119.57 and 200,071.50 is: 300,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,720.46 : 1,048,119.57 = 200,071.50 : x
  2. Step 2: Convert to fraction form
    698,720.46/1,048,119.57 = 200,071.50/x
  3. Step 3: Cross multiply
    698,720.46x = 1,048,119.57 × 200,071.50
  4. Step 4: Simplify right side
    698,720.46x = 209,698,854,549.26
  5. Step 5: Solve for x
    x = 209,698,854,549.26/698,720.46
  6. Step 6: Final answer
    x = 300,118.38

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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.