Home / 436,845.95-602,616.20-300,643.43

Finding the Fourth Proportional to 436,845.95, 602,616.20 and 300,643.43

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Solution

The fourth proportional to 436,845.95, 602,616.20 and 300,643.43 is: 414,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845.95 : 602,616.20 = 300,643.43 : x
  2. Step 2: Convert to fraction form
    436,845.95/602,616.20 = 300,643.43/x
  3. Step 3: Cross multiply
    436,845.95x = 602,616.20 × 300,643.43
  4. Step 4: Simplify right side
    436,845.95x = 181,172,601,341.57
  5. Step 5: Solve for x
    x = 181,172,601,341.57/436,845.95
  6. Step 6: Final answer
    x = 414,728.81

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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.