Home / 456,290.08-629,684.49-252,330.46

Finding the Fourth Proportional to 456,290.08, 629,684.49 and 252,330.46

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Solution

The fourth proportional to 456,290.08, 629,684.49 and 252,330.46 is: 348,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,290.08 : 629,684.49 = 252,330.46 : x
  2. Step 2: Convert to fraction form
    456,290.08/629,684.49 = 252,330.46/x
  3. Step 3: Cross multiply
    456,290.08x = 629,684.49 × 252,330.46
  4. Step 4: Simplify right side
    456,290.08x = 158,888,577,016.57
  5. Step 5: Solve for x
    x = 158,888,577,016.57/456,290.08
  6. Step 6: Final answer
    x = 348,218.35

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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.