Home / 579,315.69-799,488.45-324,683.28

Finding the Fourth Proportional to 579,315.69, 799,488.45 and 324,683.28

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Solution

The fourth proportional to 579,315.69, 799,488.45 and 324,683.28 is: 448,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,315.69 : 799,488.45 = 324,683.28 : x
  2. Step 2: Convert to fraction form
    579,315.69/799,488.45 = 324,683.28/x
  3. Step 3: Cross multiply
    579,315.69x = 799,488.45 × 324,683.28
  4. Step 4: Simplify right side
    579,315.69x = 259,580,532,268.12
  5. Step 5: Solve for x
    x = 259,580,532,268.12/579,315.69
  6. Step 6: Final answer
    x = 448,081.31

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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.