Home / 763,136.90-1,053,178.71-440,860.58

Finding the Fourth Proportional to 763,136.90, 1,053,178.71 and 440,860.58

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Solution

The fourth proportional to 763,136.90, 1,053,178.71 and 440,860.58 is: 608,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,136.90 : 1,053,178.71 = 440,860.58 : x
  2. Step 2: Convert to fraction form
    763,136.90/1,053,178.71 = 440,860.58/x
  3. Step 3: Cross multiply
    763,136.90x = 1,053,178.71 × 440,860.58
  4. Step 4: Simplify right side
    763,136.90x = 464,304,976,934.25
  5. Step 5: Solve for x
    x = 464,304,976,934.25/763,136.90
  6. Step 6: Final answer
    x = 608,416.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.