Home / 646,514.31-969,769.64-291,112.23

Finding the Fourth Proportional to 646,514.31, 969,769.64 and 291,112.23

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Solution

The fourth proportional to 646,514.31, 969,769.64 and 291,112.23 is: 436,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,514.31 : 969,769.64 = 291,112.23 : x
  2. Step 2: Convert to fraction form
    646,514.31/969,769.64 = 291,112.23/x
  3. Step 3: Cross multiply
    646,514.31x = 969,769.64 × 291,112.23
  4. Step 4: Simplify right side
    646,514.31x = 282,311,803,214.48
  5. Step 5: Solve for x
    x = 282,311,803,214.48/646,514.31
  6. Step 6: Final answer
    x = 436,667.52

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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.