Home / 749,408.16-1,034,205.12-409,899.36

Finding the Fourth Proportional to 749,408.16, 1,034,205.12 and 409,899.36

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Solution

The fourth proportional to 749,408.16, 1,034,205.12 and 409,899.36 is: 565,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,408.16 : 1,034,205.12 = 409,899.36 : x
  2. Step 2: Convert to fraction form
    749,408.16/1,034,205.12 = 409,899.36/x
  3. Step 3: Cross multiply
    749,408.16x = 1,034,205.12 × 409,899.36
  4. Step 4: Simplify right side
    749,408.16x = 423,920,016,796.72
  5. Step 5: Solve for x
    x = 423,920,016,796.72/749,408.16
  6. Step 6: Final answer
    x = 565,673.07

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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.