Home / 948,813.48-1,423,218.42-309,116.43

Finding the Fourth Proportional to 948,813.48, 1,423,218.42 and 309,116.43

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Solution

The fourth proportional to 948,813.48, 1,423,218.42 and 309,116.43 is: 463,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,813.48 : 1,423,218.42 = 309,116.43 : x
  2. Step 2: Convert to fraction form
    948,813.48/1,423,218.42 = 309,116.43/x
  3. Step 3: Cross multiply
    948,813.48x = 1,423,218.42 × 309,116.43
  4. Step 4: Simplify right side
    948,813.48x = 439,940,197,100.64
  5. Step 5: Solve for x
    x = 439,940,197,100.64/948,813.48
  6. Step 6: Final answer
    x = 463,674.06

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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.