Home / 873,379.96-1,309,290.81-340,777.11

Finding the Fourth Proportional to 873,379.96, 1,309,290.81 and 340,777.11

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Solution

The fourth proportional to 873,379.96, 1,309,290.81 and 340,777.11 is: 510,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,379.96 : 1,309,290.81 = 340,777.11 : x
  2. Step 2: Convert to fraction form
    873,379.96/1,309,290.81 = 340,777.11/x
  3. Step 3: Cross multiply
    873,379.96x = 1,309,290.81 × 340,777.11
  4. Step 4: Simplify right side
    873,379.96x = 446,176,338,381.36
  5. Step 5: Solve for x
    x = 446,176,338,381.36/873,379.96
  6. Step 6: Final answer
    x = 510,861.66

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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.