Home / 610,755.07-842,844.15-338,828.35

Finding the Fourth Proportional to 610,755.07, 842,844.15 and 338,828.35

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Solution

The fourth proportional to 610,755.07, 842,844.15 and 338,828.35 is: 467,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,755.07 : 842,844.15 = 338,828.35 : x
  2. Step 2: Convert to fraction form
    610,755.07/842,844.15 = 338,828.35/x
  3. Step 3: Cross multiply
    610,755.07x = 842,844.15 × 338,828.35
  4. Step 4: Simplify right side
    610,755.07x = 285,579,492,651.65
  5. Step 5: Solve for x
    x = 285,579,492,651.65/610,755.07
  6. Step 6: Final answer
    x = 467,584.32

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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.