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Finding the Fourth Proportional to 703,233.81, 970,467.33 and 380,943.93

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Solution

The fourth proportional to 703,233.81, 970,467.33 and 380,943.93 is: 525,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,233.81 : 970,467.33 = 380,943.93 : x
  2. Step 2: Convert to fraction form
    703,233.81/970,467.33 = 380,943.93/x
  3. Step 3: Cross multiply
    703,233.81x = 970,467.33 × 380,943.93
  4. Step 4: Simplify right side
    703,233.81x = 369,693,638,626.81
  5. Step 5: Solve for x
    x = 369,693,638,626.81/703,233.81
  6. Step 6: Final answer
    x = 525,705.15

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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.