Home / 839,546.50-1,259,319.42-208,460.32

Finding the Fourth Proportional to 839,546.50, 1,259,319.42 and 208,460.32

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Solution

The fourth proportional to 839,546.50, 1,259,319.42 and 208,460.32 is: 312,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,546.50 : 1,259,319.42 = 208,460.32 : x
  2. Step 2: Convert to fraction form
    839,546.50/1,259,319.42 = 208,460.32/x
  3. Step 3: Cross multiply
    839,546.50x = 1,259,319.42 × 208,460.32
  4. Step 4: Simplify right side
    839,546.50x = 262,518,129,275.41
  5. Step 5: Solve for x
    x = 262,518,129,275.41/839,546.50
  6. Step 6: Final answer
    x = 312,690.40

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Similar ratio
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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.