Home / 708,740.92-1,063,811.22-309,657.16

Finding the Fourth Proportional to 708,740.92, 1,063,811.22 and 309,657.16

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Solution

The fourth proportional to 708,740.92, 1,063,811.22 and 309,657.16 is: 464,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,740.92 : 1,063,811.22 = 309,657.16 : x
  2. Step 2: Convert to fraction form
    708,740.92/1,063,811.22 = 309,657.16/x
  3. Step 3: Cross multiply
    708,740.92x = 1,063,811.22 × 309,657.16
  4. Step 4: Simplify right side
    708,740.92x = 329,416,757,340.59
  5. Step 5: Solve for x
    x = 329,416,757,340.59/708,740.92
  6. Step 6: Final answer
    x = 464,791.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.