Home / 545,828.80-818,743.20-367,369.60

Finding the Fourth Proportional to 545,828.80, 818,743.20 and 367,369.60

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Solution

The fourth proportional to 545,828.80, 818,743.20 and 367,369.60 is: 551,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,828.80 : 818,743.20 = 367,369.60 : x
  2. Step 2: Convert to fraction form
    545,828.80/818,743.20 = 367,369.60/x
  3. Step 3: Cross multiply
    545,828.80x = 818,743.20 × 367,369.60
  4. Step 4: Simplify right side
    545,828.80x = 300,781,361,886.72
  5. Step 5: Solve for x
    x = 300,781,361,886.72/545,828.80
  6. Step 6: Final answer
    x = 551,054.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.