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Finding the Fourth Proportional to 703,627.63, 971,002.29 and 381,334.30

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Solution

The fourth proportional to 703,627.63, 971,002.29 and 381,334.30 is: 526,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,627.63 : 971,002.29 = 381,334.30 : x
  2. Step 2: Convert to fraction form
    703,627.63/971,002.29 = 381,334.30/x
  3. Step 3: Cross multiply
    703,627.63x = 971,002.29 × 381,334.30
  4. Step 4: Simplify right side
    703,627.63x = 370,276,478,555.55
  5. Step 5: Solve for x
    x = 370,276,478,555.55/703,627.63
  6. Step 6: Final answer
    x = 526,239.25

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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.