Home / 738,199.53-1,018,689.35-415,977.21

Finding the Fourth Proportional to 738,199.53, 1,018,689.35 and 415,977.21

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Solution

The fourth proportional to 738,199.53, 1,018,689.35 and 415,977.21 is: 574,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,199.53 : 1,018,689.35 = 415,977.21 : x
  2. Step 2: Convert to fraction form
    738,199.53/1,018,689.35 = 415,977.21/x
  3. Step 3: Cross multiply
    738,199.53x = 1,018,689.35 × 415,977.21
  4. Step 4: Simplify right side
    738,199.53x = 423,751,551,589.83
  5. Step 5: Solve for x
    x = 423,751,551,589.83/738,199.53
  6. Step 6: Final answer
    x = 574,033.90

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1.5x scale

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.