Home / 382,944.39-528,442.56-210,828.84

Finding the Fourth Proportional to 382,944.39, 528,442.56 and 210,828.84

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Solution

The fourth proportional to 382,944.39, 528,442.56 and 210,828.84 is: 290,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,944.39 : 528,442.56 = 210,828.84 : x
  2. Step 2: Convert to fraction form
    382,944.39/528,442.56 = 210,828.84/x
  3. Step 3: Cross multiply
    382,944.39x = 528,442.56 × 210,828.84
  4. Step 4: Simplify right side
    382,944.39x = 111,410,931,931.43
  5. Step 5: Solve for x
    x = 111,410,931,931.43/382,944.39
  6. Step 6: Final answer
    x = 290,932.40

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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.