Home / 720,938.98-1,081,469.98-188,459.16

Finding the Fourth Proportional to 720,938.98, 1,081,469.98 and 188,459.16

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Solution

The fourth proportional to 720,938.98, 1,081,469.98 and 188,459.16 is: 282,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,938.98 : 1,081,469.98 = 188,459.16 : x
  2. Step 2: Convert to fraction form
    720,938.98/1,081,469.98 = 188,459.16/x
  3. Step 3: Cross multiply
    720,938.98x = 1,081,469.98 × 188,459.16
  4. Step 4: Simplify right side
    720,938.98x = 203,812,920,176.08
  5. Step 5: Solve for x
    x = 203,812,920,176.08/720,938.98
  6. Step 6: Final answer
    x = 282,704.81

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1.5x scale

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.