Home / 420,298.04-626,745.44-416,507.24

Finding the Fourth Proportional to 420,298.04, 626,745.44 and 416,507.24

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Solution

The fourth proportional to 420,298.04, 626,745.44 and 416,507.24 is: 621,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,298.04 : 626,745.44 = 416,507.24 : x
  2. Step 2: Convert to fraction form
    420,298.04/626,745.44 = 416,507.24/x
  3. Step 3: Cross multiply
    420,298.04x = 626,745.44 × 416,507.24
  4. Step 4: Simplify right side
    420,298.04x = 261,044,013,396.99
  5. Step 5: Solve for x
    x = 261,044,013,396.99/420,298.04
  6. Step 6: Final answer
    x = 621,092.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.