Home / 970,180.86-1,455,595.13-430,362.64

Finding the Fourth Proportional to 970,180.86, 1,455,595.13 and 430,362.64

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Solution

The fourth proportional to 970,180.86, 1,455,595.13 and 430,362.64 is: 645,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,180.86 : 1,455,595.13 = 430,362.64 : x
  2. Step 2: Convert to fraction form
    970,180.86/1,455,595.13 = 430,362.64/x
  3. Step 3: Cross multiply
    970,180.86x = 1,455,595.13 × 430,362.64
  4. Step 4: Simplify right side
    970,180.86x = 626,433,762,917.94
  5. Step 5: Solve for x
    x = 626,433,762,917.94/970,180.86
  6. Step 6: Final answer
    x = 645,687.61

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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.