Home / 818,998.07-1,130,221.13-475,037.65

Finding the Fourth Proportional to 818,998.07, 1,130,221.13 and 475,037.65

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Solution

The fourth proportional to 818,998.07, 1,130,221.13 and 475,037.65 is: 655,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,998.07 : 1,130,221.13 = 475,037.65 : x
  2. Step 2: Convert to fraction form
    818,998.07/1,130,221.13 = 475,037.65/x
  3. Step 3: Cross multiply
    818,998.07x = 1,130,221.13 × 475,037.65
  4. Step 4: Simplify right side
    818,998.07x = 536,897,589,575.55
  5. Step 5: Solve for x
    x = 536,897,589,575.55/818,998.07
  6. Step 6: Final answer
    x = 655,554.16

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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.