Home / 738,899.96-1,108,005.48-383,818.64

Finding the Fourth Proportional to 738,899.96, 1,108,005.48 and 383,818.64

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Solution

The fourth proportional to 738,899.96, 1,108,005.48 and 383,818.64 is: 575,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,899.96 : 1,108,005.48 = 383,818.64 : x
  2. Step 2: Convert to fraction form
    738,899.96/1,108,005.48 = 383,818.64/x
  3. Step 3: Cross multiply
    738,899.96x = 1,108,005.48 × 383,818.64
  4. Step 4: Simplify right side
    738,899.96x = 425,273,150,906.12
  5. Step 5: Solve for x
    x = 425,273,150,906.12/738,899.96
  6. Step 6: Final answer
    x = 575,549.03

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1.5x scale

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.