Home / 909,065.70-1,363,598.55-403,431.30

Finding the Fourth Proportional to 909,065.70, 1,363,598.55 and 403,431.30

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Solution

The fourth proportional to 909,065.70, 1,363,598.55 and 403,431.30 is: 605,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,065.70 : 1,363,598.55 = 403,431.30 : x
  2. Step 2: Convert to fraction form
    909,065.70/1,363,598.55 = 403,431.30/x
  3. Step 3: Cross multiply
    909,065.70x = 1,363,598.55 × 403,431.30
  4. Step 4: Simplify right side
    909,065.70x = 550,118,335,704.62
  5. Step 5: Solve for x
    x = 550,118,335,704.62/909,065.70
  6. Step 6: Final answer
    x = 605,146.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.