Home / 805,582.62-1,208,115.59-265,717.72

Finding the Fourth Proportional to 805,582.62, 1,208,115.59 and 265,717.72

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Solution

The fourth proportional to 805,582.62, 1,208,115.59 and 265,717.72 is: 398,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,582.62 : 1,208,115.59 = 265,717.72 : x
  2. Step 2: Convert to fraction form
    805,582.62/1,208,115.59 = 265,717.72/x
  3. Step 3: Cross multiply
    805,582.62x = 1,208,115.59 × 265,717.72
  4. Step 4: Simplify right side
    805,582.62x = 321,017,720,071.26
  5. Step 5: Solve for x
    x = 321,017,720,071.26/805,582.62
  6. Step 6: Final answer
    x = 398,491.37

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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.