Home / 807,638.43-1,114,548.40-445,075.29

Finding the Fourth Proportional to 807,638.43, 1,114,548.40 and 445,075.29

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Solution

The fourth proportional to 807,638.43, 1,114,548.40 and 445,075.29 is: 614,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,638.43 : 1,114,548.40 = 445,075.29 : x
  2. Step 2: Convert to fraction form
    807,638.43/1,114,548.40 = 445,075.29/x
  3. Step 3: Cross multiply
    807,638.43x = 1,114,548.40 × 445,075.29
  4. Step 4: Simplify right side
    807,638.43x = 496,057,952,349.04
  5. Step 5: Solve for x
    x = 496,057,952,349.04/807,638.43
  6. Step 6: Final answer
    x = 614,207.96

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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.