Home / 810,690.12-1,118,821.41-471,136.50

Finding the Fourth Proportional to 810,690.12, 1,118,821.41 and 471,136.50

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Solution

The fourth proportional to 810,690.12, 1,118,821.41 and 471,136.50 is: 650,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,690.12 : 1,118,821.41 = 471,136.50 : x
  2. Step 2: Convert to fraction form
    810,690.12/1,118,821.41 = 471,136.50/x
  3. Step 3: Cross multiply
    810,690.12x = 1,118,821.41 × 471,136.50
  4. Step 4: Simplify right side
    810,690.12x = 527,117,603,232.47
  5. Step 5: Solve for x
    x = 527,117,603,232.47/810,690.12
  6. Step 6: Final answer
    x = 650,208.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.