Home / 807,515.80-1,211,273.70-492,587.80

Finding the Fourth Proportional to 807,515.80, 1,211,273.70 and 492,587.80

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Solution

The fourth proportional to 807,515.80, 1,211,273.70 and 492,587.80 is: 738,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,515.80 : 1,211,273.70 = 492,587.80 : x
  2. Step 2: Convert to fraction form
    807,515.80/1,211,273.70 = 492,587.80/x
  3. Step 3: Cross multiply
    807,515.80x = 1,211,273.70 × 492,587.80
  4. Step 4: Simplify right side
    807,515.80x = 596,658,647,080.86
  5. Step 5: Solve for x
    x = 596,658,647,080.86/807,515.80
  6. Step 6: Final answer
    x = 738,881.70

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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.