Home / 778,680.16-1,168,012.86-246,201.28

Finding the Fourth Proportional to 778,680.16, 1,168,012.86 and 246,201.28

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Solution

The fourth proportional to 778,680.16, 1,168,012.86 and 246,201.28 is: 369,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,680.16 : 1,168,012.86 = 246,201.28 : x
  2. Step 2: Convert to fraction form
    778,680.16/1,168,012.86 = 246,201.28/x
  3. Step 3: Cross multiply
    778,680.16x = 1,168,012.86 × 246,201.28
  4. Step 4: Simplify right side
    778,680.16x = 287,566,261,188.46
  5. Step 5: Solve for x
    x = 287,566,261,188.46/778,680.16
  6. Step 6: Final answer
    x = 369,299.59

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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.