Home / 899,165.10-1,348,358.85-449,712.30

Finding the Fourth Proportional to 899,165.10, 1,348,358.85 and 449,712.30

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Solution

The fourth proportional to 899,165.10, 1,348,358.85 and 449,712.30 is: 674,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,165.10 : 1,348,358.85 = 449,712.30 : x
  2. Step 2: Convert to fraction form
    899,165.10/1,348,358.85 = 449,712.30/x
  3. Step 3: Cross multiply
    899,165.10x = 1,348,358.85 × 449,712.30
  4. Step 4: Simplify right side
    899,165.10x = 606,373,559,658.86
  5. Step 5: Solve for x
    x = 606,373,559,658.86/899,165.10
  6. Step 6: Final answer
    x = 674,373.99

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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.