Home / 858,379.12-1,184,668.06-495,802.57

Finding the Fourth Proportional to 858,379.12, 1,184,668.06 and 495,802.57

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Solution

The fourth proportional to 858,379.12, 1,184,668.06 and 495,802.57 is: 684,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,379.12 : 1,184,668.06 = 495,802.57 : x
  2. Step 2: Convert to fraction form
    858,379.12/1,184,668.06 = 495,802.57/x
  3. Step 3: Cross multiply
    858,379.12x = 1,184,668.06 × 495,802.57
  4. Step 4: Simplify right side
    858,379.12x = 587,361,466,300.18
  5. Step 5: Solve for x
    x = 587,361,466,300.18/858,379.12
  6. Step 6: Final answer
    x = 684,268.12

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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.