Home / 824,279.10-1,236,637.35-291,744.60

Finding the Fourth Proportional to 824,279.10, 1,236,637.35 and 291,744.60

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Solution

The fourth proportional to 824,279.10, 1,236,637.35 and 291,744.60 is: 437,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,279.10 : 1,236,637.35 = 291,744.60 : x
  2. Step 2: Convert to fraction form
    824,279.10/1,236,637.35 = 291,744.60/x
  3. Step 3: Cross multiply
    824,279.10x = 1,236,637.35 × 291,744.60
  4. Step 4: Simplify right side
    824,279.10x = 360,782,269,020.81
  5. Step 5: Solve for x
    x = 360,782,269,020.81/824,279.10
  6. Step 6: Final answer
    x = 437,694.31

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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.