Home / 909,474.10-1,254,858.47-516,976.25

Finding the Fourth Proportional to 909,474.10, 1,254,858.47 and 516,976.25

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Solution

The fourth proportional to 909,474.10, 1,254,858.47 and 516,976.25 is: 713,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,474.10 : 1,254,858.47 = 516,976.25 : x
  2. Step 2: Convert to fraction form
    909,474.10/1,254,858.47 = 516,976.25/x
  3. Step 3: Cross multiply
    909,474.10x = 1,254,858.47 × 516,976.25
  4. Step 4: Simplify right side
    909,474.10x = 648,732,030,530.92
  5. Step 5: Solve for x
    x = 648,732,030,530.92/909,474.10
  6. Step 6: Final answer
    x = 713,304.57

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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.