Home / 890,648.64-1,335,975.69-216,730.06

Finding the Fourth Proportional to 890,648.64, 1,335,975.69 and 216,730.06

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Solution

The fourth proportional to 890,648.64, 1,335,975.69 and 216,730.06 is: 325,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,648.64 : 1,335,975.69 = 216,730.06 : x
  2. Step 2: Convert to fraction form
    890,648.64/1,335,975.69 = 216,730.06/x
  3. Step 3: Cross multiply
    890,648.64x = 1,335,975.69 × 216,730.06
  4. Step 4: Simplify right side
    890,648.64x = 289,546,091,452.24
  5. Step 5: Solve for x
    x = 289,546,091,452.24/890,648.64
  6. Step 6: Final answer
    x = 325,095.75

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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.