Home / 840,865.72-1,160,397.94-458,901

Finding the Fourth Proportional to 840,865.72, 1,160,397.94 and 458,901

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Solution

The fourth proportional to 840,865.72, 1,160,397.94 and 458,901 is: 633,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,865.72 : 1,160,397.94 = 458,901 : x
  2. Step 2: Convert to fraction form
    840,865.72/1,160,397.94 = 458,901/x
  3. Step 3: Cross multiply
    840,865.72x = 1,160,397.94 × 458,901
  4. Step 4: Simplify right side
    840,865.72x = 532,507,775,063.94
  5. Step 5: Solve for x
    x = 532,507,775,063.94/840,865.72
  6. Step 6: Final answer
    x = 633,285.15

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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.