Home / 843,012.01-1,163,354.02-455,824.73

Finding the Fourth Proportional to 843,012.01, 1,163,354.02 and 455,824.73

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Solution

The fourth proportional to 843,012.01, 1,163,354.02 and 455,824.73 is: 629,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,012.01 : 1,163,354.02 = 455,824.73 : x
  2. Step 2: Convert to fraction form
    843,012.01/1,163,354.02 = 455,824.73/x
  3. Step 3: Cross multiply
    843,012.01x = 1,163,354.02 × 455,824.73
  4. Step 4: Simplify right side
    843,012.01x = 530,285,525,104.58
  5. Step 5: Solve for x
    x = 530,285,525,104.58/843,012.01
  6. Step 6: Final answer
    x = 629,036.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.