Home / 982,904.86-1,356,262.41-553,159.36

Finding the Fourth Proportional to 982,904.86, 1,356,262.41 and 553,159.36

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Solution

The fourth proportional to 982,904.86, 1,356,262.41 and 553,159.36 is: 763,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,904.86 : 1,356,262.41 = 553,159.36 : x
  2. Step 2: Convert to fraction form
    982,904.86/1,356,262.41 = 553,159.36/x
  3. Step 3: Cross multiply
    982,904.86x = 1,356,262.41 × 553,159.36
  4. Step 4: Simplify right side
    982,904.86x = 750,229,246,707.66
  5. Step 5: Solve for x
    x = 750,229,246,707.66/982,904.86
  6. Step 6: Final answer
    x = 763,277.58

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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.