Home / 858,402.86-1,184,742.55-495,761.54

Finding the Fourth Proportional to 858,402.86, 1,184,742.55 and 495,761.54

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Solution

The fourth proportional to 858,402.86, 1,184,742.55 and 495,761.54 is: 684,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,402.86 : 1,184,742.55 = 495,761.54 : x
  2. Step 2: Convert to fraction form
    858,402.86/1,184,742.55 = 495,761.54/x
  3. Step 3: Cross multiply
    858,402.86x = 1,184,742.55 × 495,761.54
  4. Step 4: Simplify right side
    858,402.86x = 587,349,791,091.53
  5. Step 5: Solve for x
    x = 587,349,791,091.53/858,402.86
  6. Step 6: Final answer
    x = 684,235.59

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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.