Home / 874,453.53-1,312,061.49-306,242.25

Finding the Fourth Proportional to 874,453.53, 1,312,061.49 and 306,242.25

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Solution

The fourth proportional to 874,453.53, 1,312,061.49 and 306,242.25 is: 459,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,453.53 : 1,312,061.49 = 306,242.25 : x
  2. Step 2: Convert to fraction form
    874,453.53/1,312,061.49 = 306,242.25/x
  3. Step 3: Cross multiply
    874,453.53x = 1,312,061.49 × 306,242.25
  4. Step 4: Simplify right side
    874,453.53x = 401,808,662,835.95
  5. Step 5: Solve for x
    x = 401,808,662,835.95/874,453.53
  6. Step 6: Final answer
    x = 459,496.87

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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.