Home / 465,584.20-642,458.32-261,602.71

Finding the Fourth Proportional to 465,584.20, 642,458.32 and 261,602.71

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Solution

The fourth proportional to 465,584.20, 642,458.32 and 261,602.71 is: 360,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,584.20 : 642,458.32 = 261,602.71 : x
  2. Step 2: Convert to fraction form
    465,584.20/642,458.32 = 261,602.71/x
  3. Step 3: Cross multiply
    465,584.20x = 642,458.32 × 261,602.71
  4. Step 4: Simplify right side
    465,584.20x = 168,068,837,574.05
  5. Step 5: Solve for x
    x = 168,068,837,574.05/465,584.20
  6. Step 6: Final answer
    x = 360,984.84

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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.