Home / 858,009.66-1,184,050.04-470,831.55

Finding the Fourth Proportional to 858,009.66, 1,184,050.04 and 470,831.55

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Solution

The fourth proportional to 858,009.66, 1,184,050.04 and 470,831.55 is: 649,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,009.66 : 1,184,050.04 = 470,831.55 : x
  2. Step 2: Convert to fraction form
    858,009.66/1,184,050.04 = 470,831.55/x
  3. Step 3: Cross multiply
    858,009.66x = 1,184,050.04 × 470,831.55
  4. Step 4: Simplify right side
    858,009.66x = 557,488,113,256.60
  5. Step 5: Solve for x
    x = 557,488,113,256.60/858,009.66
  6. Step 6: Final answer
    x = 649,745.73

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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.