Home / 903,491.94-1,354,743.09-416,645.76

Finding the Fourth Proportional to 903,491.94, 1,354,743.09 and 416,645.76

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Solution

The fourth proportional to 903,491.94, 1,354,743.09 and 416,645.76 is: 624,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,491.94 : 1,354,743.09 = 416,645.76 : x
  2. Step 2: Convert to fraction form
    903,491.94/1,354,743.09 = 416,645.76/x
  3. Step 3: Cross multiply
    903,491.94x = 1,354,743.09 × 416,645.76
  4. Step 4: Simplify right side
    903,491.94x = 564,447,964,337.80
  5. Step 5: Solve for x
    x = 564,447,964,337.80/903,491.94
  6. Step 6: Final answer
    x = 624,740.45

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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.