Home / 785,792.96-1,084,394.40-428,096.96

Finding the Fourth Proportional to 785,792.96, 1,084,394.40 and 428,096.96

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Solution

The fourth proportional to 785,792.96, 1,084,394.40 and 428,096.96 is: 590,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,792.96 : 1,084,394.40 = 428,096.96 : x
  2. Step 2: Convert to fraction form
    785,792.96/1,084,394.40 = 428,096.96/x
  3. Step 3: Cross multiply
    785,792.96x = 1,084,394.40 × 428,096.96
  4. Step 4: Simplify right side
    785,792.96x = 464,225,946,081.02
  5. Step 5: Solve for x
    x = 464,225,946,081.02/785,792.96
  6. Step 6: Final answer
    x = 590,773.87

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Double scale
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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.