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Finding the Fourth Proportional to 585,494.44, 807,975.30 and 355,975.72

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Solution

The fourth proportional to 585,494.44, 807,975.30 and 355,975.72 is: 491,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,494.44 : 807,975.30 = 355,975.72 : x
  2. Step 2: Convert to fraction form
    585,494.44/807,975.30 = 355,975.72/x
  3. Step 3: Cross multiply
    585,494.44x = 807,975.30 × 355,975.72
  4. Step 4: Simplify right side
    585,494.44x = 287,619,589,159.72
  5. Step 5: Solve for x
    x = 287,619,589,159.72/585,494.44
  6. Step 6: Final answer
    x = 491,242.22

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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.