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Finding the Fourth Proportional to 703,080.02, 970,245.59 and 380,782.74

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Solution

The fourth proportional to 703,080.02, 970,245.59 and 380,782.74 is: 525,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,080.02 : 970,245.59 = 380,782.74 : x
  2. Step 2: Convert to fraction form
    703,080.02/970,245.59 = 380,782.74/x
  3. Step 3: Cross multiply
    703,080.02x = 970,245.59 × 380,782.74
  4. Step 4: Simplify right side
    703,080.02x = 369,452,775,185.07
  5. Step 5: Solve for x
    x = 369,452,775,185.07/703,080.02
  6. Step 6: Final answer
    x = 525,477.56

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Double scale
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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.