Home / 909,264.42-1,254,538.80-516,791.88

Finding the Fourth Proportional to 909,264.42, 1,254,538.80 and 516,791.88

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Solution

The fourth proportional to 909,264.42, 1,254,538.80 and 516,791.88 is: 713,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,264.42 : 1,254,538.80 = 516,791.88 : x
  2. Step 2: Convert to fraction form
    909,264.42/1,254,538.80 = 516,791.88/x
  3. Step 3: Cross multiply
    909,264.42x = 1,254,538.80 × 516,791.88
  4. Step 4: Simplify right side
    909,264.42x = 648,335,464,984.94
  5. Step 5: Solve for x
    x = 648,335,464,984.94/909,264.42
  6. Step 6: Final answer
    x = 713,032.92

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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.