Home / 844,939.83-1,266,688.04-312,361.59

Finding the Fourth Proportional to 844,939.83, 1,266,688.04 and 312,361.59

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Solution

The fourth proportional to 844,939.83, 1,266,688.04 and 312,361.59 is: 468,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,939.83 : 1,266,688.04 = 312,361.59 : x
  2. Step 2: Convert to fraction form
    844,939.83/1,266,688.04 = 312,361.59/x
  3. Step 3: Cross multiply
    844,939.83x = 1,266,688.04 × 312,361.59
  4. Step 4: Simplify right side
    844,939.83x = 395,664,688,646.58
  5. Step 5: Solve for x
    x = 395,664,688,646.58/844,939.83
  6. Step 6: Final answer
    x = 468,275.58

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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.