Home / 705,857.48-1,058,698.68-417,840.50

Finding the Fourth Proportional to 705,857.48, 1,058,698.68 and 417,840.50

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Solution

The fourth proportional to 705,857.48, 1,058,698.68 and 417,840.50 is: 626,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,857.48 : 1,058,698.68 = 417,840.50 : x
  2. Step 2: Convert to fraction form
    705,857.48/1,058,698.68 = 417,840.50/x
  3. Step 3: Cross multiply
    705,857.48x = 1,058,698.68 × 417,840.50
  4. Step 4: Simplify right side
    705,857.48x = 442,367,185,800.54
  5. Step 5: Solve for x
    x = 442,367,185,800.54/705,857.48
  6. Step 6: Final answer
    x = 626,708.93

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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.