Home / 753,453.57-1,130,189.16-220,985.29

Finding the Fourth Proportional to 753,453.57, 1,130,189.16 and 220,985.29

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Solution

The fourth proportional to 753,453.57, 1,130,189.16 and 220,985.29 is: 331,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,453.57 : 1,130,189.16 = 220,985.29 : x
  2. Step 2: Convert to fraction form
    753,453.57/1,130,189.16 = 220,985.29/x
  3. Step 3: Cross multiply
    753,453.57x = 1,130,189.16 × 220,985.29
  4. Step 4: Simplify right side
    753,453.57x = 249,755,173,626.51
  5. Step 5: Solve for x
    x = 249,755,173,626.51/753,453.57
  6. Step 6: Final answer
    x = 331,480.51

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Double scale
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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.