Home / 382,660.63-528,076.52-210,598.40

Finding the Fourth Proportional to 382,660.63, 528,076.52 and 210,598.40

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Solution

The fourth proportional to 382,660.63, 528,076.52 and 210,598.40 is: 290,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,660.63 : 528,076.52 = 210,598.40 : x
  2. Step 2: Convert to fraction form
    382,660.63/528,076.52 = 210,598.40/x
  3. Step 3: Cross multiply
    382,660.63x = 528,076.52 × 210,598.40
  4. Step 4: Simplify right side
    382,660.63x = 111,212,072,036.26
  5. Step 5: Solve for x
    x = 111,212,072,036.26/382,660.63
  6. Step 6: Final answer
    x = 290,628.47

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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.