Home / 867,859.72-1,197,619.93-480,659.77

Finding the Fourth Proportional to 867,859.72, 1,197,619.93 and 480,659.77

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Solution

The fourth proportional to 867,859.72, 1,197,619.93 and 480,659.77 is: 663,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,859.72 : 1,197,619.93 = 480,659.77 : x
  2. Step 2: Convert to fraction form
    867,859.72/1,197,619.93 = 480,659.77/x
  3. Step 3: Cross multiply
    867,859.72x = 1,197,619.93 × 480,659.77
  4. Step 4: Simplify right side
    867,859.72x = 575,647,722,199.07
  5. Step 5: Solve for x
    x = 575,647,722,199.07/867,859.72
  6. Step 6: Final answer
    x = 663,295.82

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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.