Home / 887,976.96-1,225,528.32-500,871.84

Finding the Fourth Proportional to 887,976.96, 1,225,528.32 and 500,871.84

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Solution

The fourth proportional to 887,976.96, 1,225,528.32 and 500,871.84 is: 691,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,976.96 : 1,225,528.32 = 500,871.84 : x
  2. Step 2: Convert to fraction form
    887,976.96/1,225,528.32 = 500,871.84/x
  3. Step 3: Cross multiply
    887,976.96x = 1,225,528.32 × 500,871.84
  4. Step 4: Simplify right side
    887,976.96x = 613,832,624,610.51
  5. Step 5: Solve for x
    x = 613,832,624,610.51/887,976.96
  6. Step 6: Final answer
    x = 691,270.89

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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.