Home / 848,300.45-1,272,467.07-679,035.15

Finding the Fourth Proportional to 848,300.45, 1,272,467.07 and 679,035.15

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Solution

The fourth proportional to 848,300.45, 1,272,467.07 and 679,035.15 is: 1,018,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,300.45 : 1,272,467.07 = 679,035.15 : x
  2. Step 2: Convert to fraction form
    848,300.45/1,272,467.07 = 679,035.15/x
  3. Step 3: Cross multiply
    848,300.45x = 1,272,467.07 × 679,035.15
  4. Step 4: Simplify right side
    848,300.45x = 864,049,867,747.51
  5. Step 5: Solve for x
    x = 864,049,867,747.51/848,300.45
  6. Step 6: Final answer
    x = 1,018,565.85

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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.