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Finding the Fourth Proportional to 702,944.02, 970,061 and 380,654.12

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Solution

The fourth proportional to 702,944.02, 970,061 and 380,654.12 is: 525,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,944.02 : 970,061 = 380,654.12 : x
  2. Step 2: Convert to fraction form
    702,944.02/970,061 = 380,654.12/x
  3. Step 3: Cross multiply
    702,944.02x = 970,061 × 380,654.12
  4. Step 4: Simplify right side
    702,944.02x = 369,257,716,301.32
  5. Step 5: Solve for x
    x = 369,257,716,301.32/702,944.02
  6. Step 6: Final answer
    x = 525,301.74

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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.