Home / 799,939.69-1,103,646.33-455,531.45

Finding the Fourth Proportional to 799,939.69, 1,103,646.33 and 455,531.45

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Solution

The fourth proportional to 799,939.69, 1,103,646.33 and 455,531.45 is: 628,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,939.69 : 1,103,646.33 = 455,531.45 : x
  2. Step 2: Convert to fraction form
    799,939.69/1,103,646.33 = 455,531.45/x
  3. Step 3: Cross multiply
    799,939.69x = 1,103,646.33 × 455,531.45
  4. Step 4: Simplify right side
    799,939.69x = 502,745,607,473.85
  5. Step 5: Solve for x
    x = 502,745,607,473.85/799,939.69
  6. Step 6: Final answer
    x = 628,479.39

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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.