Home / 808,063.06-1,115,134.78-445,500.98

Finding the Fourth Proportional to 808,063.06, 1,115,134.78 and 445,500.98

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Solution

The fourth proportional to 808,063.06, 1,115,134.78 and 445,500.98 is: 614,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,063.06 : 1,115,134.78 = 445,500.98 : x
  2. Step 2: Convert to fraction form
    808,063.06/1,115,134.78 = 445,500.98/x
  3. Step 3: Cross multiply
    808,063.06x = 1,115,134.78 × 445,500.98
  4. Step 4: Simplify right side
    808,063.06x = 496,793,637,322.08
  5. Step 5: Solve for x
    x = 496,793,637,322.08/808,063.06
  6. Step 6: Final answer
    x = 614,795.63

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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.