Home / 746,136.24-1,029,415.32-455,641.80

Finding the Fourth Proportional to 746,136.24, 1,029,415.32 and 455,641.80

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Solution

The fourth proportional to 746,136.24, 1,029,415.32 and 455,641.80 is: 628,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,136.24 : 1,029,415.32 = 455,641.80 : x
  2. Step 2: Convert to fraction form
    746,136.24/1,029,415.32 = 455,641.80/x
  3. Step 3: Cross multiply
    746,136.24x = 1,029,415.32 × 455,641.80
  4. Step 4: Simplify right side
    746,136.24x = 469,044,649,352.38
  5. Step 5: Solve for x
    x = 469,044,649,352.38/746,136.24
  6. Step 6: Final answer
    x = 628,631.37

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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.