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Finding the Fourth Proportional to 546,846.80, 819,913.80 and 490,859.60

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Solution

The fourth proportional to 546,846.80, 819,913.80 and 490,859.60 is: 735,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,846.80 : 819,913.80 = 490,859.60 : x
  2. Step 2: Convert to fraction form
    546,846.80/819,913.80 = 490,859.60/x
  3. Step 3: Cross multiply
    546,846.80x = 819,913.80 × 490,859.60
  4. Step 4: Simplify right side
    546,846.80x = 402,462,559,902.48
  5. Step 5: Solve for x
    x = 402,462,559,902.48/546,846.80
  6. Step 6: Final answer
    x = 735,969.49

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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.