Home / 803,914.14-1,109,359.68-477,240.66

Finding the Fourth Proportional to 803,914.14, 1,109,359.68 and 477,240.66

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Solution

The fourth proportional to 803,914.14, 1,109,359.68 and 477,240.66 is: 658,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,914.14 : 1,109,359.68 = 477,240.66 : x
  2. Step 2: Convert to fraction form
    803,914.14/1,109,359.68 = 477,240.66/x
  3. Step 3: Cross multiply
    803,914.14x = 1,109,359.68 × 477,240.66
  4. Step 4: Simplify right side
    803,914.14x = 529,431,545,860.59
  5. Step 5: Solve for x
    x = 529,431,545,860.59/803,914.14
  6. Step 6: Final answer
    x = 658,567.28

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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.