Home / 807,638.82-1,114,549.04-445,075.68

Finding the Fourth Proportional to 807,638.82, 1,114,549.04 and 445,075.68

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Solution

The fourth proportional to 807,638.82, 1,114,549.04 and 445,075.68 is: 614,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,638.82 : 1,114,549.04 = 445,075.68 : x
  2. Step 2: Convert to fraction form
    807,638.82/1,114,549.04 = 445,075.68/x
  3. Step 3: Cross multiply
    807,638.82x = 1,114,549.04 × 445,075.68
  4. Step 4: Simplify right side
    807,638.82x = 496,058,671,871.35
  5. Step 5: Solve for x
    x = 496,058,671,871.35/807,638.82
  6. Step 6: Final answer
    x = 614,208.55

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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.