Home / 845,817.03-1,268,776.80-340,376.04

Finding the Fourth Proportional to 845,817.03, 1,268,776.80 and 340,376.04

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Solution

The fourth proportional to 845,817.03, 1,268,776.80 and 340,376.04 is: 510,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,817.03 : 1,268,776.80 = 340,376.04 : x
  2. Step 2: Convert to fraction form
    845,817.03/1,268,776.80 = 340,376.04/x
  3. Step 3: Cross multiply
    845,817.03x = 1,268,776.80 × 340,376.04
  4. Step 4: Simplify right side
    845,817.03x = 431,861,222,827.87
  5. Step 5: Solve for x
    x = 431,861,222,827.87/845,817.03
  6. Step 6: Final answer
    x = 510,584.69

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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.