Home / 889,828.81-1,228,071.65-502,660.55

Finding the Fourth Proportional to 889,828.81, 1,228,071.65 and 502,660.55

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Solution

The fourth proportional to 889,828.81, 1,228,071.65 and 502,660.55 is: 693,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,828.81 : 1,228,071.65 = 502,660.55 : x
  2. Step 2: Convert to fraction form
    889,828.81/1,228,071.65 = 502,660.55/x
  3. Step 3: Cross multiply
    889,828.81x = 1,228,071.65 × 502,660.55
  4. Step 4: Simplify right side
    889,828.81x = 617,303,171,585.28
  5. Step 5: Solve for x
    x = 617,303,171,585.28/889,828.81
  6. Step 6: Final answer
    x = 693,732.51

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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.