Home / 774,786.36-1,069,197.60-430,623.04

Finding the Fourth Proportional to 774,786.36, 1,069,197.60 and 430,623.04

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Solution

The fourth proportional to 774,786.36, 1,069,197.60 and 430,623.04 is: 594,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,786.36 : 1,069,197.60 = 430,623.04 : x
  2. Step 2: Convert to fraction form
    774,786.36/1,069,197.60 = 430,623.04/x
  3. Step 3: Cross multiply
    774,786.36x = 1,069,197.60 × 430,623.04
  4. Step 4: Simplify right side
    774,786.36x = 460,421,120,872.70
  5. Step 5: Solve for x
    x = 460,421,120,872.70/774,786.36
  6. Step 6: Final answer
    x = 594,255.58

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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.