Home / 642,929.30-964,554.31-453,759.17

Finding the Fourth Proportional to 642,929.30, 964,554.31 and 453,759.17

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Solution

The fourth proportional to 642,929.30, 964,554.31 and 453,759.17 is: 680,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,929.30 : 964,554.31 = 453,759.17 : x
  2. Step 2: Convert to fraction form
    642,929.30/964,554.31 = 453,759.17/x
  3. Step 3: Cross multiply
    642,929.30x = 964,554.31 × 453,759.17
  4. Step 4: Simplify right side
    642,929.30x = 437,675,358,869.95
  5. Step 5: Solve for x
    x = 437,675,358,869.95/642,929.30
  6. Step 6: Final answer
    x = 680,751.93

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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.