Home / 777,946.80-1,166,920.20-186,970.80

Finding the Fourth Proportional to 777,946.80, 1,166,920.20 and 186,970.80

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Solution

The fourth proportional to 777,946.80, 1,166,920.20 and 186,970.80 is: 280,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,946.80 : 1,166,920.20 = 186,970.80 : x
  2. Step 2: Convert to fraction form
    777,946.80/1,166,920.20 = 186,970.80/x
  3. Step 3: Cross multiply
    777,946.80x = 1,166,920.20 × 186,970.80
  4. Step 4: Simplify right side
    777,946.80x = 218,180,003,330.16
  5. Step 5: Solve for x
    x = 218,180,003,330.16/777,946.80
  6. Step 6: Final answer
    x = 280,456.20

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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.