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Finding the Fourth Proportional to 475,355.07, 712,552.77 and 297,986.67

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Solution

The fourth proportional to 475,355.07, 712,552.77 and 297,986.67 is: 446,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,355.07 : 712,552.77 = 297,986.67 : x
  2. Step 2: Convert to fraction form
    475,355.07/712,552.77 = 297,986.67/x
  3. Step 3: Cross multiply
    475,355.07x = 712,552.77 × 297,986.67
  4. Step 4: Simplify right side
    475,355.07x = 212,331,227,131.58
  5. Step 5: Solve for x
    x = 212,331,227,131.58/475,355.07
  6. Step 6: Final answer
    x = 446,679.21

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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.