Home / 483,248.63-666,844.07-279,312.75

Finding the Fourth Proportional to 483,248.63, 666,844.07 and 279,312.75

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Solution

The fourth proportional to 483,248.63, 666,844.07 and 279,312.75 is: 385,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,248.63 : 666,844.07 = 279,312.75 : x
  2. Step 2: Convert to fraction form
    483,248.63/666,844.07 = 279,312.75/x
  3. Step 3: Cross multiply
    483,248.63x = 666,844.07 × 279,312.75
  4. Step 4: Simplify right side
    483,248.63x = 186,258,049,616.33
  5. Step 5: Solve for x
    x = 186,258,049,616.33/483,248.63
  6. Step 6: Final answer
    x = 385,429.03

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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.