Home / 849,229.79-1,171,965.24-486,723.20

Finding the Fourth Proportional to 849,229.79, 1,171,965.24 and 486,723.20

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Solution

The fourth proportional to 849,229.79, 1,171,965.24 and 486,723.20 is: 671,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,229.79 : 1,171,965.24 = 486,723.20 : x
  2. Step 2: Convert to fraction form
    849,229.79/1,171,965.24 = 486,723.20/x
  3. Step 3: Cross multiply
    849,229.79x = 1,171,965.24 × 486,723.20
  4. Step 4: Simplify right side
    849,229.79x = 570,422,666,041.74
  5. Step 5: Solve for x
    x = 570,422,666,041.74/849,229.79
  6. Step 6: Final answer
    x = 671,694.14

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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.