Home / 877,069.53-1,315,493.33-278,036.46

Finding the Fourth Proportional to 877,069.53, 1,315,493.33 and 278,036.46

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Solution

The fourth proportional to 877,069.53, 1,315,493.33 and 278,036.46 is: 417,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,069.53 : 1,315,493.33 = 278,036.46 : x
  2. Step 2: Convert to fraction form
    877,069.53/1,315,493.33 = 278,036.46/x
  3. Step 3: Cross multiply
    877,069.53x = 1,315,493.33 × 278,036.46
  4. Step 4: Simplify right side
    877,069.53x = 365,755,107,236.63
  5. Step 5: Solve for x
    x = 365,755,107,236.63/877,069.53
  6. Step 6: Final answer
    x = 417,019.51

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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.