Home / 805,482.60-1,208,749.55-300,447.58

Finding the Fourth Proportional to 805,482.60, 1,208,749.55 and 300,447.58

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Solution

The fourth proportional to 805,482.60, 1,208,749.55 and 300,447.58 is: 450,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,482.60 : 1,208,749.55 = 300,447.58 : x
  2. Step 2: Convert to fraction form
    805,482.60/1,208,749.55 = 300,447.58/x
  3. Step 3: Cross multiply
    805,482.60x = 1,208,749.55 × 300,447.58
  4. Step 4: Simplify right side
    805,482.60x = 363,165,877,823.43
  5. Step 5: Solve for x
    x = 363,165,877,823.43/805,482.60
  6. Step 6: Final answer
    x = 450,867.44

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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.