Home / 840,414.43-1,159,764.51-458,433.01

Finding the Fourth Proportional to 840,414.43, 1,159,764.51 and 458,433.01

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Solution

The fourth proportional to 840,414.43, 1,159,764.51 and 458,433.01 is: 632,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,414.43 : 1,159,764.51 = 458,433.01 : x
  2. Step 2: Convert to fraction form
    840,414.43/1,159,764.51 = 458,433.01/x
  3. Step 3: Cross multiply
    840,414.43x = 1,159,764.51 × 458,433.01
  4. Step 4: Simplify right side
    840,414.43x = 531,674,335,210.48
  5. Step 5: Solve for x
    x = 531,674,335,210.48/840,414.43
  6. Step 6: Final answer
    x = 632,633.52

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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.