Home / 705,837.22-1,058,668.34-417,820.26

Finding the Fourth Proportional to 705,837.22, 1,058,668.34 and 417,820.26

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Solution

The fourth proportional to 705,837.22, 1,058,668.34 and 417,820.26 is: 626,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,837.22 : 1,058,668.34 = 417,820.26 : x
  2. Step 2: Convert to fraction form
    705,837.22/1,058,668.34 = 417,820.26/x
  3. Step 3: Cross multiply
    705,837.22x = 1,058,668.34 × 417,820.26
  4. Step 4: Simplify right side
    705,837.22x = 442,333,081,072.57
  5. Step 5: Solve for x
    x = 442,333,081,072.57/705,837.22
  6. Step 6: Final answer
    x = 626,678.60

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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.