Home / 778,747.60-1,168,643.85-273,307.60

Finding the Fourth Proportional to 778,747.60, 1,168,643.85 and 273,307.60

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Solution

The fourth proportional to 778,747.60, 1,168,643.85 and 273,307.60 is: 410,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,747.60 : 1,168,643.85 = 273,307.60 : x
  2. Step 2: Convert to fraction form
    778,747.60/1,168,643.85 = 273,307.60/x
  3. Step 3: Cross multiply
    778,747.60x = 1,168,643.85 × 273,307.60
  4. Step 4: Simplify right side
    778,747.60x = 319,399,245,898.26
  5. Step 5: Solve for x
    x = 319,399,245,898.26/778,747.60
  6. Step 6: Final answer
    x = 410,144.76

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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.