Home / 889,424.93-1,334,174.31-258,338.74

Finding the Fourth Proportional to 889,424.93, 1,334,174.31 and 258,338.74

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Solution

The fourth proportional to 889,424.93, 1,334,174.31 and 258,338.74 is: 387,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,424.93 : 1,334,174.31 = 258,338.74 : x
  2. Step 2: Convert to fraction form
    889,424.93/1,334,174.31 = 258,338.74/x
  3. Step 3: Cross multiply
    889,424.93x = 1,334,174.31 × 258,338.74
  4. Step 4: Simplify right side
    889,424.93x = 344,668,913,830.85
  5. Step 5: Solve for x
    x = 344,668,913,830.85/889,424.93
  6. Step 6: Final answer
    x = 387,518.84

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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.