Home / 840,844-1,160,389.20-458,895.20

Finding the Fourth Proportional to 840,844, 1,160,389.20 and 458,895.20

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Solution

The fourth proportional to 840,844, 1,160,389.20 and 458,895.20 is: 633,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,844 : 1,160,389.20 = 458,895.20 : x
  2. Step 2: Convert to fraction form
    840,844/1,160,389.20 = 458,895.20/x
  3. Step 3: Cross multiply
    840,844x = 1,160,389.20 × 458,895.20
  4. Step 4: Simplify right side
    840,844x = 532,497,034,011.84
  5. Step 5: Solve for x
    x = 532,497,034,011.84/840,844
  6. Step 6: Final answer
    x = 633,288.74

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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.