Home / 497,224.48-686,219.34-303,621.52

Finding the Fourth Proportional to 497,224.48, 686,219.34 and 303,621.52

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Solution

The fourth proportional to 497,224.48, 686,219.34 and 303,621.52 is: 419,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,224.48 : 686,219.34 = 303,621.52 : x
  2. Step 2: Convert to fraction form
    497,224.48/686,219.34 = 303,621.52/x
  3. Step 3: Cross multiply
    497,224.48x = 686,219.34 × 303,621.52
  4. Step 4: Simplify right side
    497,224.48x = 208,350,959,064.20
  5. Step 5: Solve for x
    x = 208,350,959,064.20/497,224.48
  6. Step 6: Final answer
    x = 419,027.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.