Home / 648,185.32-894,494.10-361,702.36

Finding the Fourth Proportional to 648,185.32, 894,494.10 and 361,702.36

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Solution

The fourth proportional to 648,185.32, 894,494.10 and 361,702.36 is: 499,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,185.32 : 894,494.10 = 361,702.36 : x
  2. Step 2: Convert to fraction form
    648,185.32/894,494.10 = 361,702.36/x
  3. Step 3: Cross multiply
    648,185.32x = 894,494.10 × 361,702.36
  4. Step 4: Simplify right side
    648,185.32x = 323,540,626,976.08
  5. Step 5: Solve for x
    x = 323,540,626,976.08/648,185.32
  6. Step 6: Final answer
    x = 499,148.34

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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.