Home / 806,784.62-1,212,242.42-608,968.04

Finding the Fourth Proportional to 806,784.62, 1,212,242.42 and 608,968.04

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Solution

The fourth proportional to 806,784.62, 1,212,242.42 and 608,968.04 is: 915,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,784.62 : 1,212,242.42 = 608,968.04 : x
  2. Step 2: Convert to fraction form
    806,784.62/1,212,242.42 = 608,968.04/x
  3. Step 3: Cross multiply
    806,784.62x = 1,212,242.42 × 608,968.04
  4. Step 4: Simplify right side
    806,784.62x = 738,216,885,973.47
  5. Step 5: Solve for x
    x = 738,216,885,973.47/806,784.62
  6. Step 6: Final answer
    x = 915,011.11

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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.