Home / 745,850.90-1,029,246.82-455,948.06

Finding the Fourth Proportional to 745,850.90, 1,029,246.82 and 455,948.06

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Solution

The fourth proportional to 745,850.90, 1,029,246.82 and 455,948.06 is: 629,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,850.90 : 1,029,246.82 = 455,948.06 : x
  2. Step 2: Convert to fraction form
    745,850.90/1,029,246.82 = 455,948.06/x
  3. Step 3: Cross multiply
    745,850.90x = 1,029,246.82 × 455,948.06
  4. Step 4: Simplify right side
    745,850.90x = 469,283,084,554.07
  5. Step 5: Solve for x
    x = 469,283,084,554.07/745,850.90
  6. Step 6: Final answer
    x = 629,191.55

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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.