Home / 436,682.20-602,298.78-300,759.16

Finding the Fourth Proportional to 436,682.20, 602,298.78 and 300,759.16

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Solution

The fourth proportional to 436,682.20, 602,298.78 and 300,759.16 is: 414,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,682.20 : 602,298.78 = 300,759.16 : x
  2. Step 2: Convert to fraction form
    436,682.20/602,298.78 = 300,759.16/x
  3. Step 3: Cross multiply
    436,682.20x = 602,298.78 × 300,759.16
  4. Step 4: Simplify right side
    436,682.20x = 181,146,875,141.83
  5. Step 5: Solve for x
    x = 181,146,875,141.83/436,682.20
  6. Step 6: Final answer
    x = 414,825.42

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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.