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Finding the Fourth Proportional to 703,319.22, 970,578.72 and 381,037.23

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Solution

The fourth proportional to 703,319.22, 970,578.72 and 381,037.23 is: 525,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,319.22 : 970,578.72 = 381,037.23 : x
  2. Step 2: Convert to fraction form
    703,319.22/970,578.72 = 381,037.23/x
  3. Step 3: Cross multiply
    703,319.22x = 970,578.72 × 381,037.23
  4. Step 4: Simplify right side
    703,319.22x = 369,826,626,965.75
  5. Step 5: Solve for x
    x = 369,826,626,965.75/703,319.22
  6. Step 6: Final answer
    x = 525,830.40

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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.