Home / 848,904-1,171,653.90-486,570.72

Finding the Fourth Proportional to 848,904, 1,171,653.90 and 486,570.72

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Solution

The fourth proportional to 848,904, 1,171,653.90 and 486,570.72 is: 671,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,904 : 1,171,653.90 = 486,570.72 : x
  2. Step 2: Convert to fraction form
    848,904/1,171,653.90 = 486,570.72/x
  3. Step 3: Cross multiply
    848,904x = 1,171,653.90 × 486,570.72
  4. Step 4: Simplify right side
    848,904x = 570,092,481,713.81
  5. Step 5: Solve for x
    x = 570,092,481,713.81/848,904
  6. Step 6: Final answer
    x = 671,562.96

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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.