Home / 999,308.50-1,379,065.17-546,609.22

Finding the Fourth Proportional to 999,308.50, 1,379,065.17 and 546,609.22

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Solution

The fourth proportional to 999,308.50, 1,379,065.17 and 546,609.22 is: 754,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,308.50 : 1,379,065.17 = 546,609.22 : x
  2. Step 2: Convert to fraction form
    999,308.50/1,379,065.17 = 546,609.22/x
  3. Step 3: Cross multiply
    999,308.50x = 1,379,065.17 × 546,609.22
  4. Step 4: Simplify right side
    999,308.50x = 753,809,736,902.87
  5. Step 5: Solve for x
    x = 753,809,736,902.87/999,308.50
  6. Step 6: Final answer
    x = 754,331.36

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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.