Home / 805,955.32-1,208,671.98-266,090.32

Finding the Fourth Proportional to 805,955.32, 1,208,671.98 and 266,090.32

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Solution

The fourth proportional to 805,955.32, 1,208,671.98 and 266,090.32 is: 399,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,955.32 : 1,208,671.98 = 266,090.32 : x
  2. Step 2: Convert to fraction form
    805,955.32/1,208,671.98 = 266,090.32/x
  3. Step 3: Cross multiply
    805,955.32x = 1,208,671.98 × 266,090.32
  4. Step 4: Simplify right side
    805,955.32x = 321,615,913,933.23
  5. Step 5: Solve for x
    x = 321,615,913,933.23/805,955.32
  6. Step 6: Final answer
    x = 399,049.31

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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.