Home / 690,573.59-1,036,814.46-476,839.90

Finding the Fourth Proportional to 690,573.59, 1,036,814.46 and 476,839.90

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Solution

The fourth proportional to 690,573.59, 1,036,814.46 and 476,839.90 is: 715,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,573.59 : 1,036,814.46 = 476,839.90 : x
  2. Step 2: Convert to fraction form
    690,573.59/1,036,814.46 = 476,839.90/x
  3. Step 3: Cross multiply
    690,573.59x = 1,036,814.46 × 476,839.90
  4. Step 4: Simplify right side
    690,573.59x = 494,394,503,424.95
  5. Step 5: Solve for x
    x = 494,394,503,424.95/690,573.59
  6. Step 6: Final answer
    x = 715,918.64

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1.5x scale

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.