Home / 721,072.61-1,081,526.29-188,645.03

Finding the Fourth Proportional to 721,072.61, 1,081,526.29 and 188,645.03

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Solution

The fourth proportional to 721,072.61, 1,081,526.29 and 188,645.03 is: 282,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,072.61 : 1,081,526.29 = 188,645.03 : x
  2. Step 2: Convert to fraction form
    721,072.61/1,081,526.29 = 188,645.03/x
  3. Step 3: Cross multiply
    721,072.61x = 1,081,526.29 × 188,645.03
  4. Step 4: Simplify right side
    721,072.61x = 204,024,553,071.98
  5. Step 5: Solve for x
    x = 204,024,553,071.98/721,072.61
  6. Step 6: Final answer
    x = 282,945.92

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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.