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Finding the Fourth Proportional to 702,902.54, 970,004.16 and 380,613.60

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Solution

The fourth proportional to 702,902.54, 970,004.16 and 380,613.60 is: 525,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,902.54 : 970,004.16 = 380,613.60 : x
  2. Step 2: Convert to fraction form
    702,902.54/970,004.16 = 380,613.60/x
  3. Step 3: Cross multiply
    702,902.54x = 970,004.16 × 380,613.60
  4. Step 4: Simplify right side
    702,902.54x = 369,196,775,352.58
  5. Step 5: Solve for x
    x = 369,196,775,352.58/702,902.54
  6. Step 6: Final answer
    x = 525,246.04

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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.