Home / 663,756.10-996,152.55-308,814.10

Finding the Fourth Proportional to 663,756.10, 996,152.55 and 308,814.10

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Solution

The fourth proportional to 663,756.10, 996,152.55 and 308,814.10 is: 463,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,756.10 : 996,152.55 = 308,814.10 : x
  2. Step 2: Convert to fraction form
    663,756.10/996,152.55 = 308,814.10/x
  3. Step 3: Cross multiply
    663,756.10x = 996,152.55 × 308,814.10
  4. Step 4: Simplify right side
    663,756.10x = 307,625,953,190.96
  5. Step 5: Solve for x
    x = 307,625,953,190.96/663,756.10
  6. Step 6: Final answer
    x = 463,462.34

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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.