Home / 757,678.74-1,045,606.32-447,591.54

Finding the Fourth Proportional to 757,678.74, 1,045,606.32 and 447,591.54

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Solution

The fourth proportional to 757,678.74, 1,045,606.32 and 447,591.54 is: 617,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,678.74 : 1,045,606.32 = 447,591.54 : x
  2. Step 2: Convert to fraction form
    757,678.74/1,045,606.32 = 447,591.54/x
  3. Step 3: Cross multiply
    757,678.74x = 1,045,606.32 × 447,591.54
  4. Step 4: Simplify right side
    757,678.74x = 468,004,543,002.53
  5. Step 5: Solve for x
    x = 468,004,543,002.53/757,678.74
  6. Step 6: Final answer
    x = 617,682.03

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1.5x scale

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.