Home / 808,974.57-1,213,925.51-329,113.82

Finding the Fourth Proportional to 808,974.57, 1,213,925.51 and 329,113.82

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Solution

The fourth proportional to 808,974.57, 1,213,925.51 and 329,113.82 is: 493,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,974.57 : 1,213,925.51 = 329,113.82 : x
  2. Step 2: Convert to fraction form
    808,974.57/1,213,925.51 = 329,113.82/x
  3. Step 3: Cross multiply
    808,974.57x = 1,213,925.51 × 329,113.82
  4. Step 4: Simplify right side
    808,974.57x = 399,519,657,895.18
  5. Step 5: Solve for x
    x = 399,519,657,895.18/808,974.57
  6. Step 6: Final answer
    x = 493,859.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.