Home / 890,965.52-1,229,556.84-509,054.48

Finding the Fourth Proportional to 890,965.52, 1,229,556.84 and 509,054.48

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Solution

The fourth proportional to 890,965.52, 1,229,556.84 and 509,054.48 is: 702,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,965.52 : 1,229,556.84 = 509,054.48 : x
  2. Step 2: Convert to fraction form
    890,965.52/1,229,556.84 = 509,054.48/x
  3. Step 3: Cross multiply
    890,965.52x = 1,229,556.84 × 509,054.48
  4. Step 4: Simplify right side
    890,965.52x = 625,911,417,816.64
  5. Step 5: Solve for x
    x = 625,911,417,816.64/890,965.52
  6. Step 6: Final answer
    x = 702,509.14

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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.