Home / 746,111.70-1,118,511.45-446,711.40

Finding the Fourth Proportional to 746,111.70, 1,118,511.45 and 446,711.40

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Solution

The fourth proportional to 746,111.70, 1,118,511.45 and 446,711.40 is: 669,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,111.70 : 1,118,511.45 = 446,711.40 : x
  2. Step 2: Convert to fraction form
    746,111.70/1,118,511.45 = 446,711.40/x
  3. Step 3: Cross multiply
    746,111.70x = 1,118,511.45 × 446,711.40
  4. Step 4: Simplify right side
    746,111.70x = 499,651,815,745.53
  5. Step 5: Solve for x
    x = 499,651,815,745.53/746,111.70
  6. Step 6: Final answer
    x = 669,674.28

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Double scale
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1.5x scale

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.