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Finding the Fourth Proportional to 637,307.11, 956,161.59 and 300,334.15

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Solution

The fourth proportional to 637,307.11, 956,161.59 and 300,334.15 is: 450,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,307.11 : 956,161.59 = 300,334.15 : x
  2. Step 2: Convert to fraction form
    637,307.11/956,161.59 = 300,334.15/x
  3. Step 3: Cross multiply
    637,307.11x = 956,161.59 × 300,334.15
  4. Step 4: Simplify right side
    637,307.11x = 287,167,978,395.30
  5. Step 5: Solve for x
    x = 287,167,978,395.30/637,307.11
  6. Step 6: Final answer
    x = 450,595.91

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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.