Home / 705,547.60-1,058,015.22-256,119.16

Finding the Fourth Proportional to 705,547.60, 1,058,015.22 and 256,119.16

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Solution

The fourth proportional to 705,547.60, 1,058,015.22 and 256,119.16 is: 384,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,547.60 : 1,058,015.22 = 256,119.16 : x
  2. Step 2: Convert to fraction form
    705,547.60/1,058,015.22 = 256,119.16/x
  3. Step 3: Cross multiply
    705,547.60x = 1,058,015.22 × 256,119.16
  4. Step 4: Simplify right side
    705,547.60x = 270,977,969,413.62
  5. Step 5: Solve for x
    x = 270,977,969,413.62/705,547.60
  6. Step 6: Final answer
    x = 384,067.59

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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.