Home / 970,479.60-1,455,719.40-339,327.60

Finding the Fourth Proportional to 970,479.60, 1,455,719.40 and 339,327.60

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Solution

The fourth proportional to 970,479.60, 1,455,719.40 and 339,327.60 is: 508,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,479.60 : 1,455,719.40 = 339,327.60 : x
  2. Step 2: Convert to fraction form
    970,479.60/1,455,719.40 = 339,327.60/x
  3. Step 3: Cross multiply
    970,479.60x = 1,455,719.40 × 339,327.60
  4. Step 4: Simplify right side
    970,479.60x = 493,965,770,275.44
  5. Step 5: Solve for x
    x = 493,965,770,275.44/970,479.60
  6. Step 6: Final answer
    x = 508,991.40

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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.