Home / 389,528.15-584,379.77-123,304.64

Finding the Fourth Proportional to 389,528.15, 584,379.77 and 123,304.64

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Solution

The fourth proportional to 389,528.15, 584,379.77 and 123,304.64 is: 184,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,528.15 : 584,379.77 = 123,304.64 : x
  2. Step 2: Convert to fraction form
    389,528.15/584,379.77 = 123,304.64/x
  3. Step 3: Cross multiply
    389,528.15x = 584,379.77 × 123,304.64
  4. Step 4: Simplify right side
    389,528.15x = 72,056,733,624.71
  5. Step 5: Solve for x
    x = 72,056,733,624.71/389,528.15
  6. Step 6: Final answer
    x = 184,984.67

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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.