Home / 790,074.04-1,089,900.50-479,894.08

Finding the Fourth Proportional to 790,074.04, 1,089,900.50 and 479,894.08

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Solution

The fourth proportional to 790,074.04, 1,089,900.50 and 479,894.08 is: 662,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,074.04 : 1,089,900.50 = 479,894.08 : x
  2. Step 2: Convert to fraction form
    790,074.04/1,089,900.50 = 479,894.08/x
  3. Step 3: Cross multiply
    790,074.04x = 1,089,900.50 × 479,894.08
  4. Step 4: Simplify right side
    790,074.04x = 523,036,795,939.44
  5. Step 5: Solve for x
    x = 523,036,795,939.44/790,074.04
  6. Step 6: Final answer
    x = 662,009.85

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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.