Home / 772,553.70-1,158,812.33-211,588.20

Finding the Fourth Proportional to 772,553.70, 1,158,812.33 and 211,588.20

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Solution

The fourth proportional to 772,553.70, 1,158,812.33 and 211,588.20 is: 317,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,553.70 : 1,158,812.33 = 211,588.20 : x
  2. Step 2: Convert to fraction form
    772,553.70/1,158,812.33 = 211,588.20/x
  3. Step 3: Cross multiply
    772,553.70x = 1,158,812.33 × 211,588.20
  4. Step 4: Simplify right side
    772,553.70x = 245,191,013,984.57
  5. Step 5: Solve for x
    x = 245,191,013,984.57/772,553.70
  6. Step 6: Final answer
    x = 317,377.31

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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.