Home / 554,934.77-765,811.98-300,285.93

Finding the Fourth Proportional to 554,934.77, 765,811.98 and 300,285.93

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Solution

The fourth proportional to 554,934.77, 765,811.98 and 300,285.93 is: 414,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,934.77 : 765,811.98 = 300,285.93 : x
  2. Step 2: Convert to fraction form
    554,934.77/765,811.98 = 300,285.93/x
  3. Step 3: Cross multiply
    554,934.77x = 765,811.98 × 300,285.93
  4. Step 4: Simplify right side
    554,934.77x = 229,962,562,619.44
  5. Step 5: Solve for x
    x = 229,962,562,619.44/554,934.77
  6. Step 6: Final answer
    x = 414,395.67

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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.