Home / 840,454.98-1,159,825.44-458,479.02

Finding the Fourth Proportional to 840,454.98, 1,159,825.44 and 458,479.02

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Solution

The fourth proportional to 840,454.98, 1,159,825.44 and 458,479.02 is: 632,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,454.98 : 1,159,825.44 = 458,479.02 : x
  2. Step 2: Convert to fraction form
    840,454.98/1,159,825.44 = 458,479.02/x
  3. Step 3: Cross multiply
    840,454.98x = 1,159,825.44 × 458,479.02
  4. Step 4: Simplify right side
    840,454.98x = 531,755,631,102.27
  5. Step 5: Solve for x
    x = 531,755,631,102.27/840,454.98
  6. Step 6: Final answer
    x = 632,699.72

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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.