Home / 879,802.89-1,319,727.27-280,763.25

Finding the Fourth Proportional to 879,802.89, 1,319,727.27 and 280,763.25

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Solution

The fourth proportional to 879,802.89, 1,319,727.27 and 280,763.25 is: 421,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,802.89 : 1,319,727.27 = 280,763.25 : x
  2. Step 2: Convert to fraction form
    879,802.89/1,319,727.27 = 280,763.25/x
  3. Step 3: Cross multiply
    879,802.89x = 1,319,727.27 × 280,763.25
  4. Step 4: Simplify right side
    879,802.89x = 370,530,917,438.83
  5. Step 5: Solve for x
    x = 370,530,917,438.83/879,802.89
  6. Step 6: Final answer
    x = 421,152.19

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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.