Home / 840,480.18-1,159,865.37-458,514.96

Finding the Fourth Proportional to 840,480.18, 1,159,865.37 and 458,514.96

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Solution

The fourth proportional to 840,480.18, 1,159,865.37 and 458,514.96 is: 632,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,480.18 : 1,159,865.37 = 458,514.96 : x
  2. Step 2: Convert to fraction form
    840,480.18/1,159,865.37 = 458,514.96/x
  3. Step 3: Cross multiply
    840,480.18x = 1,159,865.37 × 458,514.96
  4. Step 4: Simplify right side
    840,480.18x = 531,815,623,730.94
  5. Step 5: Solve for x
    x = 531,815,623,730.94/840,480.18
  6. Step 6: Final answer
    x = 632,752.13

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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.