Home / 999,383.79-1,379,149.52-546,673.71

Finding the Fourth Proportional to 999,383.79, 1,379,149.52 and 546,673.71

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Solution

The fourth proportional to 999,383.79, 1,379,149.52 and 546,673.71 is: 754,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,383.79 : 1,379,149.52 = 546,673.71 : x
  2. Step 2: Convert to fraction form
    999,383.79/1,379,149.52 = 546,673.71/x
  3. Step 3: Cross multiply
    999,383.79x = 1,379,149.52 × 546,673.71
  4. Step 4: Simplify right side
    999,383.79x = 753,944,782,009.75
  5. Step 5: Solve for x
    x = 753,944,782,009.75/999,383.79
  6. Step 6: Final answer
    x = 754,409.66

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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.