Home / 808,393.60-1,212,590.40-334,921.60

Finding the Fourth Proportional to 808,393.60, 1,212,590.40 and 334,921.60

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Solution

The fourth proportional to 808,393.60, 1,212,590.40 and 334,921.60 is: 502,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,393.60 : 1,212,590.40 = 334,921.60 : x
  2. Step 2: Convert to fraction form
    808,393.60/1,212,590.40 = 334,921.60/x
  3. Step 3: Cross multiply
    808,393.60x = 1,212,590.40 × 334,921.60
  4. Step 4: Simplify right side
    808,393.60x = 406,122,716,912.64
  5. Step 5: Solve for x
    x = 406,122,716,912.64/808,393.60
  6. Step 6: Final answer
    x = 502,382.40

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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.