Home / 911,967.49-1,368,246.48-438,591.34

Finding the Fourth Proportional to 911,967.49, 1,368,246.48 and 438,591.34

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Solution

The fourth proportional to 911,967.49, 1,368,246.48 and 438,591.34 is: 658,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,967.49 : 1,368,246.48 = 438,591.34 : x
  2. Step 2: Convert to fraction form
    911,967.49/1,368,246.48 = 438,591.34/x
  3. Step 3: Cross multiply
    911,967.49x = 1,368,246.48 × 438,591.34
  4. Step 4: Simplify right side
    911,967.49x = 600,101,057,113.48
  5. Step 5: Solve for x
    x = 600,101,057,113.48/911,967.49
  6. Step 6: Final answer
    x = 658,029.00

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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.