Home / 430,531.42-594,215.60-285,080.80

Finding the Fourth Proportional to 430,531.42, 594,215.60 and 285,080.80

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Solution

The fourth proportional to 430,531.42, 594,215.60 and 285,080.80 is: 393,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,531.42 : 594,215.60 = 285,080.80 : x
  2. Step 2: Convert to fraction form
    430,531.42/594,215.60 = 285,080.80/x
  3. Step 3: Cross multiply
    430,531.42x = 594,215.60 × 285,080.80
  4. Step 4: Simplify right side
    430,531.42x = 169,399,458,620.48
  5. Step 5: Solve for x
    x = 169,399,458,620.48/430,531.42
  6. Step 6: Final answer
    x = 393,465.96

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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.