Home / 813,411.71-1,122,467.59-450,832.32

Finding the Fourth Proportional to 813,411.71, 1,122,467.59 and 450,832.32

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Solution

The fourth proportional to 813,411.71, 1,122,467.59 and 450,832.32 is: 622,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,411.71 : 1,122,467.59 = 450,832.32 : x
  2. Step 2: Convert to fraction form
    813,411.71/1,122,467.59 = 450,832.32/x
  3. Step 3: Cross multiply
    813,411.71x = 1,122,467.59 × 450,832.32
  4. Step 4: Simplify right side
    813,411.71x = 506,044,667,724.51
  5. Step 5: Solve for x
    x = 506,044,667,724.51/813,411.71
  6. Step 6: Final answer
    x = 622,126.12

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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.