Home / 920,387.70-1,380,676.02-352,246.71

Finding the Fourth Proportional to 920,387.70, 1,380,676.02 and 352,246.71

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Solution

The fourth proportional to 920,387.70, 1,380,676.02 and 352,246.71 is: 528,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,387.70 : 1,380,676.02 = 352,246.71 : x
  2. Step 2: Convert to fraction form
    920,387.70/1,380,676.02 = 352,246.71/x
  3. Step 3: Cross multiply
    920,387.70x = 1,380,676.02 × 352,246.71
  4. Step 4: Simplify right side
    920,387.70x = 486,338,585,620.89
  5. Step 5: Solve for x
    x = 486,338,585,620.89/920,387.70
  6. Step 6: Final answer
    x = 528,406.22

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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.