Home / 780,466.86-1,170,673.56-330,898.23

Finding the Fourth Proportional to 780,466.86, 1,170,673.56 and 330,898.23

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Solution

The fourth proportional to 780,466.86, 1,170,673.56 and 330,898.23 is: 496,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,466.86 : 1,170,673.56 = 330,898.23 : x
  2. Step 2: Convert to fraction form
    780,466.86/1,170,673.56 = 330,898.23/x
  3. Step 3: Cross multiply
    780,466.86x = 1,170,673.56 × 330,898.23
  4. Step 4: Simplify right side
    780,466.86x = 387,373,808,911.80
  5. Step 5: Solve for x
    x = 387,373,808,911.80/780,466.86
  6. Step 6: Final answer
    x = 496,336.01

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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.