Home / 769,554.74-1,148,696.57-678,653.91

Finding the Fourth Proportional to 769,554.74, 1,148,696.57 and 678,653.91

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Solution

The fourth proportional to 769,554.74, 1,148,696.57 and 678,653.91 is: 1,013,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,554.74 : 1,148,696.57 = 678,653.91 : x
  2. Step 2: Convert to fraction form
    769,554.74/1,148,696.57 = 678,653.91/x
  3. Step 3: Cross multiply
    769,554.74x = 1,148,696.57 × 678,653.91
  4. Step 4: Simplify right side
    769,554.74x = 779,567,415,240.82
  5. Step 5: Solve for x
    x = 779,567,415,240.82/769,554.74
  6. Step 6: Final answer
    x = 1,013,011.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.