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Finding the Fourth Proportional to 703,051.56, 970,211.92 and 380,762.01

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Solution

The fourth proportional to 703,051.56, 970,211.92 and 380,762.01 is: 525,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,051.56 : 970,211.92 = 380,762.01 : x
  2. Step 2: Convert to fraction form
    703,051.56/970,211.92 = 380,762.01/x
  3. Step 3: Cross multiply
    703,051.56x = 970,211.92 × 380,762.01
  4. Step 4: Simplify right side
    703,051.56x = 369,419,840,785.16
  5. Step 5: Solve for x
    x = 369,419,840,785.16/703,051.56
  6. Step 6: Final answer
    x = 525,451.99

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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.