Home / 849,692.45-1,172,479.38-500,810.06

Finding the Fourth Proportional to 849,692.45, 1,172,479.38 and 500,810.06

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Solution

The fourth proportional to 849,692.45, 1,172,479.38 and 500,810.06 is: 691,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,692.45 : 1,172,479.38 = 500,810.06 : x
  2. Step 2: Convert to fraction form
    849,692.45/1,172,479.38 = 500,810.06/x
  3. Step 3: Cross multiply
    849,692.45x = 1,172,479.38 × 500,810.06
  4. Step 4: Simplify right side
    849,692.45x = 587,189,468,646.56
  5. Step 5: Solve for x
    x = 587,189,468,646.56/849,692.45
  6. Step 6: Final answer
    x = 691,061.18

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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.