Home / 793,419.80-1,189,886.70-260,817.80

Finding the Fourth Proportional to 793,419.80, 1,189,886.70 and 260,817.80

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Solution

The fourth proportional to 793,419.80, 1,189,886.70 and 260,817.80 is: 391,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,419.80 : 1,189,886.70 = 260,817.80 : x
  2. Step 2: Convert to fraction form
    793,419.80/1,189,886.70 = 260,817.80/x
  3. Step 3: Cross multiply
    793,419.80x = 1,189,886.70 × 260,817.80
  4. Step 4: Simplify right side
    793,419.80x = 310,343,631,343.26
  5. Step 5: Solve for x
    x = 310,343,631,343.26/793,419.80
  6. Step 6: Final answer
    x = 391,146.82

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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.