Home / 803,946.80-1,205,920.20-204,906.80

Finding the Fourth Proportional to 803,946.80, 1,205,920.20 and 204,906.80

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Solution

The fourth proportional to 803,946.80, 1,205,920.20 and 204,906.80 is: 307,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,946.80 : 1,205,920.20 = 204,906.80 : x
  2. Step 2: Convert to fraction form
    803,946.80/1,205,920.20 = 204,906.80/x
  3. Step 3: Cross multiply
    803,946.80x = 1,205,920.20 × 204,906.80
  4. Step 4: Simplify right side
    803,946.80x = 247,101,249,237.36
  5. Step 5: Solve for x
    x = 247,101,249,237.36/803,946.80
  6. Step 6: Final answer
    x = 307,360.20

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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.