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Finding the Fourth Proportional to 546,770.20, 821,030.10 and 413,800.60

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Solution

The fourth proportional to 546,770.20, 821,030.10 and 413,800.60 is: 621,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,770.20 : 821,030.10 = 413,800.60 : x
  2. Step 2: Convert to fraction form
    546,770.20/821,030.10 = 413,800.60/x
  3. Step 3: Cross multiply
    546,770.20x = 821,030.10 × 413,800.60
  4. Step 4: Simplify right side
    546,770.20x = 339,742,747,998.06
  5. Step 5: Solve for x
    x = 339,742,747,998.06/546,770.20
  6. Step 6: Final answer
    x = 621,362.96

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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.