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Finding the Fourth Proportional to 436,353.93, 601,482.24 and 399,743.55

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Solution

The fourth proportional to 436,353.93, 601,482.24 and 399,743.55 is: 551,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,353.93 : 601,482.24 = 399,743.55 : x
  2. Step 2: Convert to fraction form
    436,353.93/601,482.24 = 399,743.55/x
  3. Step 3: Cross multiply
    436,353.93x = 601,482.24 × 399,743.55
  4. Step 4: Simplify right side
    436,353.93x = 240,438,645,879.55
  5. Step 5: Solve for x
    x = 240,438,645,879.55/436,353.93
  6. Step 6: Final answer
    x = 551,017.49

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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.