Home / 813,341.69-1,122,411.64-450,788.96

Finding the Fourth Proportional to 813,341.69, 1,122,411.64 and 450,788.96

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Solution

The fourth proportional to 813,341.69, 1,122,411.64 and 450,788.96 is: 622,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,341.69 : 1,122,411.64 = 450,788.96 : x
  2. Step 2: Convert to fraction form
    813,341.69/1,122,411.64 = 450,788.96/x
  3. Step 3: Cross multiply
    813,341.69x = 1,122,411.64 × 450,788.96
  4. Step 4: Simplify right side
    813,341.69x = 505,970,770,275.44
  5. Step 5: Solve for x
    x = 505,970,770,275.44/813,341.69
  6. Step 6: Final answer
    x = 622,088.82

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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.