Home / 763,941.80-1,146,161.10-364,530.80

Finding the Fourth Proportional to 763,941.80, 1,146,161.10 and 364,530.80

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Solution

The fourth proportional to 763,941.80, 1,146,161.10 and 364,530.80 is: 546,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,941.80 : 1,146,161.10 = 364,530.80 : x
  2. Step 2: Convert to fraction form
    763,941.80/1,146,161.10 = 364,530.80/x
  3. Step 3: Cross multiply
    763,941.80x = 1,146,161.10 × 364,530.80
  4. Step 4: Simplify right side
    763,941.80x = 417,811,022,711.88
  5. Step 5: Solve for x
    x = 417,811,022,711.88/763,941.80
  6. Step 6: Final answer
    x = 546,914.73

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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.