Home / 705,795.90-1,058,098.70-306,135.69

Finding the Fourth Proportional to 705,795.90, 1,058,098.70 and 306,135.69

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Solution

The fourth proportional to 705,795.90, 1,058,098.70 and 306,135.69 is: 458,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,795.90 : 1,058,098.70 = 306,135.69 : x
  2. Step 2: Convert to fraction form
    705,795.90/1,058,098.70 = 306,135.69/x
  3. Step 3: Cross multiply
    705,795.90x = 1,058,098.70 × 306,135.69
  4. Step 4: Simplify right side
    705,795.90x = 323,921,774,081.93
  5. Step 5: Solve for x
    x = 323,921,774,081.93/705,795.90
  6. Step 6: Final answer
    x = 458,945.39

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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.