Home / 877,903.29-1,211,604.84-495,954.66

Finding the Fourth Proportional to 877,903.29, 1,211,604.84 and 495,954.66

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Solution

The fourth proportional to 877,903.29, 1,211,604.84 and 495,954.66 is: 684,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,903.29 : 1,211,604.84 = 495,954.66 : x
  2. Step 2: Convert to fraction form
    877,903.29/1,211,604.84 = 495,954.66/x
  3. Step 3: Cross multiply
    877,903.29x = 1,211,604.84 × 495,954.66
  4. Step 4: Simplify right side
    877,903.29x = 600,901,066,476.56
  5. Step 5: Solve for x
    x = 600,901,066,476.56/877,903.29
  6. Step 6: Final answer
    x = 684,472.96

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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.