Home / 982,908.69-1,356,457.64-553,216.65

Finding the Fourth Proportional to 982,908.69, 1,356,457.64 and 553,216.65

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Solution

The fourth proportional to 982,908.69, 1,356,457.64 and 553,216.65 is: 763,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,908.69 : 1,356,457.64 = 553,216.65 : x
  2. Step 2: Convert to fraction form
    982,908.69/1,356,457.64 = 553,216.65/x
  3. Step 3: Cross multiply
    982,908.69x = 1,356,457.64 × 553,216.65
  4. Step 4: Simplify right side
    982,908.69x = 750,414,948,701.62
  5. Step 5: Solve for x
    x = 750,414,948,701.62/982,908.69
  6. Step 6: Final answer
    x = 763,463.54

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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.