Home / 872,259.94-1,203,542.31-509,613.76

Finding the Fourth Proportional to 872,259.94, 1,203,542.31 and 509,613.76

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Solution

The fourth proportional to 872,259.94, 1,203,542.31 and 509,613.76 is: 703,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,259.94 : 1,203,542.31 = 509,613.76 : x
  2. Step 2: Convert to fraction form
    872,259.94/1,203,542.31 = 509,613.76/x
  3. Step 3: Cross multiply
    872,259.94x = 1,203,542.31 × 509,613.76
  4. Step 4: Simplify right side
    872,259.94x = 613,341,721,918.19
  5. Step 5: Solve for x
    x = 613,341,721,918.19/872,259.94
  6. Step 6: Final answer
    x = 703,163.92

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1.5x scale

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.