Home / 847,488-1,271,577.87-448,021.92

Finding the Fourth Proportional to 847,488, 1,271,577.87 and 448,021.92

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Solution

The fourth proportional to 847,488, 1,271,577.87 and 448,021.92 is: 672,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,488 : 1,271,577.87 = 448,021.92 : x
  2. Step 2: Convert to fraction form
    847,488/1,271,577.87 = 448,021.92/x
  3. Step 3: Cross multiply
    847,488x = 1,271,577.87 × 448,021.92
  4. Step 4: Simplify right side
    847,488x = 569,694,758,746.91
  5. Step 5: Solve for x
    x = 569,694,758,746.91/847,488
  6. Step 6: Final answer
    x = 672,215.72

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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.