Home / 832,396.12-1,148,711.95-488,161.86

Finding the Fourth Proportional to 832,396.12, 1,148,711.95 and 488,161.86

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Solution

The fourth proportional to 832,396.12, 1,148,711.95 and 488,161.86 is: 673,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,396.12 : 1,148,711.95 = 488,161.86 : x
  2. Step 2: Convert to fraction form
    832,396.12/1,148,711.95 = 488,161.86/x
  3. Step 3: Cross multiply
    832,396.12x = 1,148,711.95 × 488,161.86
  4. Step 4: Simplify right side
    832,396.12x = 560,757,369,483.97
  5. Step 5: Solve for x
    x = 560,757,369,483.97/832,396.12
  6. Step 6: Final answer
    x = 673,666.49

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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.