Home / 703,285.13-970,532.28-381,003.35

Finding the Fourth Proportional to 703,285.13, 970,532.28 and 381,003.35

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Solution

The fourth proportional to 703,285.13, 970,532.28 and 381,003.35 is: 525,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,285.13 : 970,532.28 = 381,003.35 : x
  2. Step 2: Convert to fraction form
    703,285.13/970,532.28 = 381,003.35/x
  3. Step 3: Cross multiply
    703,285.13x = 970,532.28 × 381,003.35
  4. Step 4: Simplify right side
    703,285.13x = 369,776,045,110.48
  5. Step 5: Solve for x
    x = 369,776,045,110.48/703,285.13
  6. Step 6: Final answer
    x = 525,783.96

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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.