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Finding the Fourth Proportional to 545,875.20, 818,812.80 and 452,563.20

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Solution

The fourth proportional to 545,875.20, 818,812.80 and 452,563.20 is: 678,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,875.20 : 818,812.80 = 452,563.20 : x
  2. Step 2: Convert to fraction form
    545,875.20/818,812.80 = 452,563.20/x
  3. Step 3: Cross multiply
    545,875.20x = 818,812.80 × 452,563.20
  4. Step 4: Simplify right side
    545,875.20x = 370,564,540,968.96
  5. Step 5: Solve for x
    x = 370,564,540,968.96/545,875.20
  6. Step 6: Final answer
    x = 678,844.80

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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.