Home / 840,433.12-1,159,814.16-458,474.08

Finding the Fourth Proportional to 840,433.12, 1,159,814.16 and 458,474.08

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Solution

The fourth proportional to 840,433.12, 1,159,814.16 and 458,474.08 is: 632,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,433.12 : 1,159,814.16 = 458,474.08 : x
  2. Step 2: Convert to fraction form
    840,433.12/1,159,814.16 = 458,474.08/x
  3. Step 3: Cross multiply
    840,433.12x = 1,159,814.16 × 458,474.08
  4. Step 4: Simplify right side
    840,433.12x = 531,744,729,976.97
  5. Step 5: Solve for x
    x = 531,744,729,976.97/840,433.12
  6. Step 6: Final answer
    x = 632,703.21

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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.