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Finding the Fourth Proportional to 546,492.80, 818,864.40 and 359,285.60

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Solution

The fourth proportional to 546,492.80, 818,864.40 and 359,285.60 is: 538,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,492.80 : 818,864.40 = 359,285.60 : x
  2. Step 2: Convert to fraction form
    546,492.80/818,864.40 = 359,285.60/x
  3. Step 3: Cross multiply
    546,492.80x = 818,864.40 × 359,285.60
  4. Step 4: Simplify right side
    546,492.80x = 294,206,187,272.64
  5. Step 5: Solve for x
    x = 294,206,187,272.64/546,492.80
  6. Step 6: Final answer
    x = 538,353.27

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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.