Home / 808,849.23-1,213,439.82-329,075.76

Finding the Fourth Proportional to 808,849.23, 1,213,439.82 and 329,075.76

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Solution

The fourth proportional to 808,849.23, 1,213,439.82 and 329,075.76 is: 493,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,849.23 : 1,213,439.82 = 329,075.76 : x
  2. Step 2: Convert to fraction form
    808,849.23/1,213,439.82 = 329,075.76/x
  3. Step 3: Cross multiply
    808,849.23x = 1,213,439.82 × 329,075.76
  4. Step 4: Simplify right side
    808,849.23x = 399,313,630,980.76
  5. Step 5: Solve for x
    x = 399,313,630,980.76/808,849.23
  6. Step 6: Final answer
    x = 493,681.17

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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.