Home / 778,096.36-1,166,706.78-245,518.12

Finding the Fourth Proportional to 778,096.36, 1,166,706.78 and 245,518.12

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Solution

The fourth proportional to 778,096.36, 1,166,706.78 and 245,518.12 is: 368,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,096.36 : 1,166,706.78 = 245,518.12 : x
  2. Step 2: Convert to fraction form
    778,096.36/1,166,706.78 = 245,518.12/x
  3. Step 3: Cross multiply
    778,096.36x = 1,166,706.78 × 245,518.12
  4. Step 4: Simplify right side
    778,096.36x = 286,447,655,216.85
  5. Step 5: Solve for x
    x = 286,447,655,216.85/778,096.36
  6. Step 6: Final answer
    x = 368,139.05

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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.