Home / 777,443.10-1,166,683.05-356,502.30

Finding the Fourth Proportional to 777,443.10, 1,166,683.05 and 356,502.30

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Solution

The fourth proportional to 777,443.10, 1,166,683.05 and 356,502.30 is: 534,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,443.10 : 1,166,683.05 = 356,502.30 : x
  2. Step 2: Convert to fraction form
    777,443.10/1,166,683.05 = 356,502.30/x
  3. Step 3: Cross multiply
    777,443.10x = 1,166,683.05 × 356,502.30
  4. Step 4: Simplify right side
    777,443.10x = 415,925,190,696.02
  5. Step 5: Solve for x
    x = 415,925,190,696.02/777,443.10
  6. Step 6: Final answer
    x = 534,991.17

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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.