Home / 753,260.51-1,129,899.96-220,792.31

Finding the Fourth Proportional to 753,260.51, 1,129,899.96 and 220,792.31

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Solution

The fourth proportional to 753,260.51, 1,129,899.96 and 220,792.31 is: 331,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,260.51 : 1,129,899.96 = 220,792.31 : x
  2. Step 2: Convert to fraction form
    753,260.51/1,129,899.96 = 220,792.31/x
  3. Step 3: Cross multiply
    753,260.51x = 1,129,899.96 × 220,792.31
  4. Step 4: Simplify right side
    753,260.51x = 249,473,217,026.11
  5. Step 5: Solve for x
    x = 249,473,217,026.11/753,260.51
  6. Step 6: Final answer
    x = 331,191.15

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Double scale
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Similar ratio
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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.