Home / 877,231.13-1,315,581.83-456,277.37

Finding the Fourth Proportional to 877,231.13, 1,315,581.83 and 456,277.37

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Solution

The fourth proportional to 877,231.13, 1,315,581.83 and 456,277.37 is: 684,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,231.13 : 1,315,581.83 = 456,277.37 : x
  2. Step 2: Convert to fraction form
    877,231.13/1,315,581.83 = 456,277.37/x
  3. Step 3: Cross multiply
    877,231.13x = 1,315,581.83 × 456,277.37
  4. Step 4: Simplify right side
    877,231.13x = 600,270,215,130.80
  5. Step 5: Solve for x
    x = 600,270,215,130.80/877,231.13
  6. Step 6: Final answer
    x = 684,278.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.