Home / 645,189.24-967,066.74-486,904.44

Finding the Fourth Proportional to 645,189.24, 967,066.74 and 486,904.44

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Solution

The fourth proportional to 645,189.24, 967,066.74 and 486,904.44 is: 729,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,189.24 : 967,066.74 = 486,904.44 : x
  2. Step 2: Convert to fraction form
    645,189.24/967,066.74 = 486,904.44/x
  3. Step 3: Cross multiply
    645,189.24x = 967,066.74 × 486,904.44
  4. Step 4: Simplify right side
    645,189.24x = 470,869,089,482.33
  5. Step 5: Solve for x
    x = 470,869,089,482.33/645,189.24
  6. Step 6: Final answer
    x = 729,815.47

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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.