Home / 566,918.55-782,348.67-308,794.70

Finding the Fourth Proportional to 566,918.55, 782,348.67 and 308,794.70

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Solution

The fourth proportional to 566,918.55, 782,348.67 and 308,794.70 is: 426,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,918.55 : 782,348.67 = 308,794.70 : x
  2. Step 2: Convert to fraction form
    566,918.55/782,348.67 = 308,794.70/x
  3. Step 3: Cross multiply
    566,918.55x = 782,348.67 × 308,794.70
  4. Step 4: Simplify right side
    566,918.55x = 241,585,124,803.92
  5. Step 5: Solve for x
    x = 241,585,124,803.92/566,918.55
  6. Step 6: Final answer
    x = 426,137.27

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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.