Home / 909,265.55-1,254,741.45-516,747.41

Finding the Fourth Proportional to 909,265.55, 1,254,741.45 and 516,747.41

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Solution

The fourth proportional to 909,265.55, 1,254,741.45 and 516,747.41 is: 713,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,265.55 : 1,254,741.45 = 516,747.41 : x
  2. Step 2: Convert to fraction form
    909,265.55/1,254,741.45 = 516,747.41/x
  3. Step 3: Cross multiply
    909,265.55x = 1,254,741.45 × 516,747.41
  4. Step 4: Simplify right side
    909,265.55x = 648,384,394,507.14
  5. Step 5: Solve for x
    x = 648,384,394,507.14/909,265.55
  6. Step 6: Final answer
    x = 713,085.85

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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.