Home / 801,938.52-1,106,817.75-479,684.07

Finding the Fourth Proportional to 801,938.52, 1,106,817.75 and 479,684.07

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Solution

The fourth proportional to 801,938.52, 1,106,817.75 and 479,684.07 is: 662,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,938.52 : 1,106,817.75 = 479,684.07 : x
  2. Step 2: Convert to fraction form
    801,938.52/1,106,817.75 = 479,684.07/x
  3. Step 3: Cross multiply
    801,938.52x = 1,106,817.75 × 479,684.07
  4. Step 4: Simplify right side
    801,938.52x = 530,922,843,068.24
  5. Step 5: Solve for x
    x = 530,922,843,068.24/801,938.52
  6. Step 6: Final answer
    x = 662,049.31

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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.