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Finding the Fourth Proportional to 545,830.80, 818,746.20 and 367,371.60

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Solution

The fourth proportional to 545,830.80, 818,746.20 and 367,371.60 is: 551,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,830.80 : 818,746.20 = 367,371.60 : x
  2. Step 2: Convert to fraction form
    545,830.80/818,746.20 = 367,371.60/x
  3. Step 3: Cross multiply
    545,830.80x = 818,746.20 × 367,371.60
  4. Step 4: Simplify right side
    545,830.80x = 300,784,101,487.92
  5. Step 5: Solve for x
    x = 300,784,101,487.92/545,830.80
  6. Step 6: Final answer
    x = 551,057.40

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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.