Home / 707,814.79-1,060,672.39-519,907.75

Finding the Fourth Proportional to 707,814.79, 1,060,672.39 and 519,907.75

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Solution

The fourth proportional to 707,814.79, 1,060,672.39 and 519,907.75 is: 779,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,814.79 : 1,060,672.39 = 519,907.75 : x
  2. Step 2: Convert to fraction form
    707,814.79/1,060,672.39 = 519,907.75/x
  3. Step 3: Cross multiply
    707,814.79x = 1,060,672.39 × 519,907.75
  4. Step 4: Simplify right side
    707,814.79x = 551,451,795,772.02
  5. Step 5: Solve for x
    x = 551,451,795,772.02/707,814.79
  6. Step 6: Final answer
    x = 779,090.52

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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.