Home / 382,858.25-528,335.33-213,088.73

Finding the Fourth Proportional to 382,858.25, 528,335.33 and 213,088.73

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Solution

The fourth proportional to 382,858.25, 528,335.33 and 213,088.73 is: 294,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,858.25 : 528,335.33 = 213,088.73 : x
  2. Step 2: Convert to fraction form
    382,858.25/528,335.33 = 213,088.73/x
  3. Step 3: Cross multiply
    382,858.25x = 528,335.33 × 213,088.73
  4. Step 4: Simplify right side
    382,858.25x = 112,582,300,776.71
  5. Step 5: Solve for x
    x = 112,582,300,776.71/382,858.25
  6. Step 6: Final answer
    x = 294,057.40

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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.