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Finding the Fourth Proportional to 414,549.22, 618,590.63 and 369,868.78

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Solution

The fourth proportional to 414,549.22, 618,590.63 and 369,868.78 is: 551,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,549.22 : 618,590.63 = 369,868.78 : x
  2. Step 2: Convert to fraction form
    414,549.22/618,590.63 = 369,868.78/x
  3. Step 3: Cross multiply
    414,549.22x = 618,590.63 × 369,868.78
  4. Step 4: Simplify right side
    414,549.22x = 228,797,361,637.53
  5. Step 5: Solve for x
    x = 228,797,361,637.53/414,549.22
  6. Step 6: Final answer
    x = 551,918.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.