Home / 807,864.57-1,114,860.53-445,302.34

Finding the Fourth Proportional to 807,864.57, 1,114,860.53 and 445,302.34

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Solution

The fourth proportional to 807,864.57, 1,114,860.53 and 445,302.34 is: 614,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,864.57 : 1,114,860.53 = 445,302.34 : x
  2. Step 2: Convert to fraction form
    807,864.57/1,114,860.53 = 445,302.34/x
  3. Step 3: Cross multiply
    807,864.57x = 1,114,860.53 × 445,302.34
  4. Step 4: Simplify right side
    807,864.57x = 496,450,001,108.75
  5. Step 5: Solve for x
    x = 496,450,001,108.75/807,864.57
  6. Step 6: Final answer
    x = 614,521.32

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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.