Home / 510,976.35-766,554.57-211,289.01

Finding the Fourth Proportional to 510,976.35, 766,554.57 and 211,289.01

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Solution

The fourth proportional to 510,976.35, 766,554.57 and 211,289.01 is: 316,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,976.35 : 766,554.57 = 211,289.01 : x
  2. Step 2: Convert to fraction form
    510,976.35/766,554.57 = 211,289.01/x
  3. Step 3: Cross multiply
    510,976.35x = 766,554.57 × 211,289.01
  4. Step 4: Simplify right side
    510,976.35x = 161,964,556,206.28
  5. Step 5: Solve for x
    x = 161,964,556,206.28/510,976.35
  6. Step 6: Final answer
    x = 316,970.75

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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.