Home / 772,188.01-1,157,465.35-285,557.45

Finding the Fourth Proportional to 772,188.01, 1,157,465.35 and 285,557.45

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Solution

The fourth proportional to 772,188.01, 1,157,465.35 and 285,557.45 is: 428,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,188.01 : 1,157,465.35 = 285,557.45 : x
  2. Step 2: Convert to fraction form
    772,188.01/1,157,465.35 = 285,557.45/x
  3. Step 3: Cross multiply
    772,188.01x = 1,157,465.35 × 285,557.45
  4. Step 4: Simplify right side
    772,188.01x = 330,522,858,685.27
  5. Step 5: Solve for x
    x = 330,522,858,685.27/772,188.01
  6. Step 6: Final answer
    x = 428,034.18

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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.