Home / 858,004.38-1,184,218.38-495,487.26

Finding the Fourth Proportional to 858,004.38, 1,184,218.38 and 495,487.26

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Solution

The fourth proportional to 858,004.38, 1,184,218.38 and 495,487.26 is: 683,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,004.38 : 1,184,218.38 = 495,487.26 : x
  2. Step 2: Convert to fraction form
    858,004.38/1,184,218.38 = 495,487.26/x
  3. Step 3: Cross multiply
    858,004.38x = 1,184,218.38 × 495,487.26
  4. Step 4: Simplify right side
    858,004.38x = 586,765,120,347.84
  5. Step 5: Solve for x
    x = 586,765,120,347.84/858,004.38
  6. Step 6: Final answer
    x = 683,871.94

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1.5x scale

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.