Home / 791,126.48-1,186,558.56-285,590.60

Finding the Fourth Proportional to 791,126.48, 1,186,558.56 and 285,590.60

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Solution

The fourth proportional to 791,126.48, 1,186,558.56 and 285,590.60 is: 428,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,126.48 : 1,186,558.56 = 285,590.60 : x
  2. Step 2: Convert to fraction form
    791,126.48/1,186,558.56 = 285,590.60/x
  3. Step 3: Cross multiply
    791,126.48x = 1,186,558.56 × 285,590.60
  4. Step 4: Simplify right side
    791,126.48x = 338,869,971,085.54
  5. Step 5: Solve for x
    x = 338,869,971,085.54/791,126.48
  6. Step 6: Final answer
    x = 428,338.55

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Double scale
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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.