Home / 436,917.78-602,982.63-243,362.61

Finding the Fourth Proportional to 436,917.78, 602,982.63 and 243,362.61

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Solution

The fourth proportional to 436,917.78, 602,982.63 and 243,362.61 is: 335,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,917.78 : 602,982.63 = 243,362.61 : x
  2. Step 2: Convert to fraction form
    436,917.78/602,982.63 = 243,362.61/x
  3. Step 3: Cross multiply
    436,917.78x = 602,982.63 × 243,362.61
  4. Step 4: Simplify right side
    436,917.78x = 146,743,426,621.46
  5. Step 5: Solve for x
    x = 146,743,426,621.46/436,917.78
  6. Step 6: Final answer
    x = 335,860.51

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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.