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Finding the Fourth Proportional to 450,887.88, 672,353.11 and 446,838.49

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Solution

The fourth proportional to 450,887.88, 672,353.11 and 446,838.49 is: 666,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,887.88 : 672,353.11 = 446,838.49 : x
  2. Step 2: Convert to fraction form
    450,887.88/672,353.11 = 446,838.49/x
  3. Step 3: Cross multiply
    450,887.88x = 672,353.11 × 446,838.49
  4. Step 4: Simplify right side
    450,887.88x = 300,433,248,419.20
  5. Step 5: Solve for x
    x = 300,433,248,419.20/450,887.88
  6. Step 6: Final answer
    x = 666,314.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.