Home / 890,223.82-1,228,934.63-508,176.79

Finding the Fourth Proportional to 890,223.82, 1,228,934.63 and 508,176.79

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Solution

The fourth proportional to 890,223.82, 1,228,934.63 and 508,176.79 is: 701,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,223.82 : 1,228,934.63 = 508,176.79 : x
  2. Step 2: Convert to fraction form
    890,223.82/1,228,934.63 = 508,176.79/x
  3. Step 3: Cross multiply
    890,223.82x = 1,228,934.63 × 508,176.79
  4. Step 4: Simplify right side
    890,223.82x = 624,516,046,707.68
  5. Step 5: Solve for x
    x = 624,516,046,707.68/890,223.82
  6. Step 6: Final answer
    x = 701,527.00

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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.