Home / 450,934.24-620,872.94-382,810

Finding the Fourth Proportional to 450,934.24, 620,872.94 and 382,810

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Solution

The fourth proportional to 450,934.24, 620,872.94 and 382,810 is: 527,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,934.24 : 620,872.94 = 382,810 : x
  2. Step 2: Convert to fraction form
    450,934.24/620,872.94 = 382,810/x
  3. Step 3: Cross multiply
    450,934.24x = 620,872.94 × 382,810
  4. Step 4: Simplify right side
    450,934.24x = 237,676,370,161.40
  5. Step 5: Solve for x
    x = 237,676,370,161.40/450,934.24
  6. Step 6: Final answer
    x = 527,075.46

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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.