Home / 872,266.67-1,203,551.51-509,620.46

Finding the Fourth Proportional to 872,266.67, 1,203,551.51 and 509,620.46

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Solution

The fourth proportional to 872,266.67, 1,203,551.51 and 509,620.46 is: 703,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,266.67 : 1,203,551.51 = 509,620.46 : x
  2. Step 2: Convert to fraction form
    872,266.67/1,203,551.51 = 509,620.46/x
  3. Step 3: Cross multiply
    872,266.67x = 1,203,551.51 × 509,620.46
  4. Step 4: Simplify right side
    872,266.67x = 613,354,475,230.63
  5. Step 5: Solve for x
    x = 613,354,475,230.63/872,266.67
  6. Step 6: Final answer
    x = 703,173.12

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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.