Home / 787,219.80-1,180,829.70-254,779.80

Finding the Fourth Proportional to 787,219.80, 1,180,829.70 and 254,779.80

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Solution

The fourth proportional to 787,219.80, 1,180,829.70 and 254,779.80 is: 382,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,219.80 : 1,180,829.70 = 254,779.80 : x
  2. Step 2: Convert to fraction form
    787,219.80/1,180,829.70 = 254,779.80/x
  3. Step 3: Cross multiply
    787,219.80x = 1,180,829.70 × 254,779.80
  4. Step 4: Simplify right side
    787,219.80x = 300,851,554,800.06
  5. Step 5: Solve for x
    x = 300,851,554,800.06/787,219.80
  6. Step 6: Final answer
    x = 382,169.70

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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.