Home / 873,650.12-1,310,790.56-305,114.94

Finding the Fourth Proportional to 873,650.12, 1,310,790.56 and 305,114.94

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Solution

The fourth proportional to 873,650.12, 1,310,790.56 and 305,114.94 is: 457,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,650.12 : 1,310,790.56 = 305,114.94 : x
  2. Step 2: Convert to fraction form
    873,650.12/1,310,790.56 = 305,114.94/x
  3. Step 3: Cross multiply
    873,650.12x = 1,310,790.56 × 305,114.94
  4. Step 4: Simplify right side
    873,650.12x = 399,941,781,541.39
  5. Step 5: Solve for x
    x = 399,941,781,541.39/873,650.12
  6. Step 6: Final answer
    x = 457,782.55

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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.