Home / 970,345.20-1,454,999.40-339,279.60

Finding the Fourth Proportional to 970,345.20, 1,454,999.40 and 339,279.60

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Solution

The fourth proportional to 970,345.20, 1,454,999.40 and 339,279.60 is: 508,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,345.20 : 1,454,999.40 = 339,279.60 : x
  2. Step 2: Convert to fraction form
    970,345.20/1,454,999.40 = 339,279.60/x
  3. Step 3: Cross multiply
    970,345.20x = 1,454,999.40 × 339,279.60
  4. Step 4: Simplify right side
    970,345.20x = 493,651,614,432.24
  5. Step 5: Solve for x
    x = 493,651,614,432.24/970,345.20
  6. Step 6: Final answer
    x = 508,738.14

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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.