Home / 786,940.70-1,178,661.45-608,870.30

Finding the Fourth Proportional to 786,940.70, 1,178,661.45 and 608,870.30

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Solution

The fourth proportional to 786,940.70, 1,178,661.45 and 608,870.30 is: 911,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,940.70 : 1,178,661.45 = 608,870.30 : x
  2. Step 2: Convert to fraction form
    786,940.70/1,178,661.45 = 608,870.30/x
  3. Step 3: Cross multiply
    786,940.70x = 1,178,661.45 × 608,870.30
  4. Step 4: Simplify right side
    786,940.70x = 717,651,950,659.94
  5. Step 5: Solve for x
    x = 717,651,950,659.94/786,940.70
  6. Step 6: Final answer
    x = 911,951.75

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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.