Home / 872,252.73-1,203,532.30-509,606.55

Finding the Fourth Proportional to 872,252.73, 1,203,532.30 and 509,606.55

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Solution

The fourth proportional to 872,252.73, 1,203,532.30 and 509,606.55 is: 703,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,252.73 : 1,203,532.30 = 509,606.55 : x
  2. Step 2: Convert to fraction form
    872,252.73/1,203,532.30 = 509,606.55/x
  3. Step 3: Cross multiply
    872,252.73x = 1,203,532.30 × 509,606.55
  4. Step 4: Simplify right side
    872,252.73x = 613,327,943,216.57
  5. Step 5: Solve for x
    x = 613,327,943,216.57/872,252.73
  6. Step 6: Final answer
    x = 703,153.94

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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.