Home / 840,511.49-1,159,938.23-477,968.04

Finding the Fourth Proportional to 840,511.49, 1,159,938.23 and 477,968.04

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Solution

The fourth proportional to 840,511.49, 1,159,938.23 and 477,968.04 is: 659,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,511.49 : 1,159,938.23 = 477,968.04 : x
  2. Step 2: Convert to fraction form
    840,511.49/1,159,938.23 = 477,968.04/x
  3. Step 3: Cross multiply
    840,511.49x = 1,159,938.23 × 477,968.04
  4. Step 4: Simplify right side
    840,511.49x = 554,413,399,924.33
  5. Step 5: Solve for x
    x = 554,413,399,924.33/840,511.49
  6. Step 6: Final answer
    x = 659,614.31

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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.