Home / 777,081.90-1,166,417.92-641,714.81

Finding the Fourth Proportional to 777,081.90, 1,166,417.92 and 641,714.81

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Solution

The fourth proportional to 777,081.90, 1,166,417.92 and 641,714.81 is: 963,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,081.90 : 1,166,417.92 = 641,714.81 : x
  2. Step 2: Convert to fraction form
    777,081.90/1,166,417.92 = 641,714.81/x
  3. Step 3: Cross multiply
    777,081.90x = 1,166,417.92 × 641,714.81
  4. Step 4: Simplify right side
    777,081.90x = 748,507,648,883.45
  5. Step 5: Solve for x
    x = 748,507,648,883.45/777,081.90
  6. Step 6: Final answer
    x = 963,228.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.