Home / 846,252.70-1,268,569.95-313,630.90

Finding the Fourth Proportional to 846,252.70, 1,268,569.95 and 313,630.90

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Solution

The fourth proportional to 846,252.70, 1,268,569.95 and 313,630.90 is: 470,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,252.70 : 1,268,569.95 = 313,630.90 : x
  2. Step 2: Convert to fraction form
    846,252.70/1,268,569.95 = 313,630.90/x
  3. Step 3: Cross multiply
    846,252.70x = 1,268,569.95 × 313,630.90
  4. Step 4: Simplify right side
    846,252.70x = 397,862,735,131.46
  5. Step 5: Solve for x
    x = 397,862,735,131.46/846,252.70
  6. Step 6: Final answer
    x = 470,146.49

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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.