Home / 884,653.20-1,326,979.80-219,805.20

Finding the Fourth Proportional to 884,653.20, 1,326,979.80 and 219,805.20

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Solution

The fourth proportional to 884,653.20, 1,326,979.80 and 219,805.20 is: 329,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,653.20 : 1,326,979.80 = 219,805.20 : x
  2. Step 2: Convert to fraction form
    884,653.20/1,326,979.80 = 219,805.20/x
  3. Step 3: Cross multiply
    884,653.20x = 1,326,979.80 × 219,805.20
  4. Step 4: Simplify right side
    884,653.20x = 291,677,060,334.96
  5. Step 5: Solve for x
    x = 291,677,060,334.96/884,653.20
  6. Step 6: Final answer
    x = 329,707.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.