Home / 778,974.06-1,168,520.18-210,346.88

Finding the Fourth Proportional to 778,974.06, 1,168,520.18 and 210,346.88

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Solution

The fourth proportional to 778,974.06, 1,168,520.18 and 210,346.88 is: 315,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,974.06 : 1,168,520.18 = 210,346.88 : x
  2. Step 2: Convert to fraction form
    778,974.06/1,168,520.18 = 210,346.88/x
  3. Step 3: Cross multiply
    778,974.06x = 1,168,520.18 × 210,346.88
  4. Step 4: Simplify right side
    778,974.06x = 245,794,574,080.04
  5. Step 5: Solve for x
    x = 245,794,574,080.04/778,974.06
  6. Step 6: Final answer
    x = 315,536.28

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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.