Home / 840,239.85-1,159,323.56-496,083.81

Finding the Fourth Proportional to 840,239.85, 1,159,323.56 and 496,083.81

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Solution

The fourth proportional to 840,239.85, 1,159,323.56 and 496,083.81 is: 684,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,239.85 : 1,159,323.56 = 496,083.81 : x
  2. Step 2: Convert to fraction form
    840,239.85/1,159,323.56 = 496,083.81/x
  3. Step 3: Cross multiply
    840,239.85x = 1,159,323.56 × 496,083.81
  4. Step 4: Simplify right side
    840,239.85x = 575,121,646,187.15
  5. Step 5: Solve for x
    x = 575,121,646,187.15/840,239.85
  6. Step 6: Final answer
    x = 684,473.18

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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.