Home / 970,179.84-1,455,272.46-339,093.72

Finding the Fourth Proportional to 970,179.84, 1,455,272.46 and 339,093.72

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Solution

The fourth proportional to 970,179.84, 1,455,272.46 and 339,093.72 is: 508,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,179.84 : 1,455,272.46 = 339,093.72 : x
  2. Step 2: Convert to fraction form
    970,179.84/1,455,272.46 = 339,093.72/x
  3. Step 3: Cross multiply
    970,179.84x = 1,455,272.46 × 339,093.72
  4. Step 4: Simplify right side
    970,179.84x = 493,473,752,074.95
  5. Step 5: Solve for x
    x = 493,473,752,074.95/970,179.84
  6. Step 6: Final answer
    x = 508,641.52

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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.