Home / 436,400.56-602,236.38-245,412.28

Finding the Fourth Proportional to 436,400.56, 602,236.38 and 245,412.28

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Solution

The fourth proportional to 436,400.56, 602,236.38 and 245,412.28 is: 338,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,400.56 : 602,236.38 = 245,412.28 : x
  2. Step 2: Convert to fraction form
    436,400.56/602,236.38 = 245,412.28/x
  3. Step 3: Cross multiply
    436,400.56x = 602,236.38 × 245,412.28
  4. Step 4: Simplify right side
    436,400.56x = 147,796,203,114.75
  5. Step 5: Solve for x
    x = 147,796,203,114.75/436,400.56
  6. Step 6: Final answer
    x = 338,670.97

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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.