Home / 842,850.63-1,162,909.71-480,266.73

Finding the Fourth Proportional to 842,850.63, 1,162,909.71 and 480,266.73

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Solution

The fourth proportional to 842,850.63, 1,162,909.71 and 480,266.73 is: 662,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,850.63 : 1,162,909.71 = 480,266.73 : x
  2. Step 2: Convert to fraction form
    842,850.63/1,162,909.71 = 480,266.73/x
  3. Step 3: Cross multiply
    842,850.63x = 1,162,909.71 × 480,266.73
  4. Step 4: Simplify right side
    842,850.63x = 558,506,843,706.95
  5. Step 5: Solve for x
    x = 558,506,843,706.95/842,850.63
  6. Step 6: Final answer
    x = 662,640.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.