Home / 778,845.30-1,168,389.48-246,315.66

Finding the Fourth Proportional to 778,845.30, 1,168,389.48 and 246,315.66

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Solution

The fourth proportional to 778,845.30, 1,168,389.48 and 246,315.66 is: 369,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,845.30 : 1,168,389.48 = 246,315.66 : x
  2. Step 2: Convert to fraction form
    778,845.30/1,168,389.48 = 246,315.66/x
  3. Step 3: Cross multiply
    778,845.30x = 1,168,389.48 × 246,315.66
  4. Step 4: Simplify right side
    778,845.30x = 287,792,625,903.26
  5. Step 5: Solve for x
    x = 287,792,625,903.26/778,845.30
  6. Step 6: Final answer
    x = 369,511.92

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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.