Home / 970,187.60-1,455,281.40-339,035.60

Finding the Fourth Proportional to 970,187.60, 1,455,281.40 and 339,035.60

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Solution

The fourth proportional to 970,187.60, 1,455,281.40 and 339,035.60 is: 508,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,187.60 : 1,455,281.40 = 339,035.60 : x
  2. Step 2: Convert to fraction form
    970,187.60/1,455,281.40 = 339,035.60/x
  3. Step 3: Cross multiply
    970,187.60x = 1,455,281.40 × 339,035.60
  4. Step 4: Simplify right side
    970,187.60x = 493,392,202,617.84
  5. Step 5: Solve for x
    x = 493,392,202,617.84/970,187.60
  6. Step 6: Final answer
    x = 508,553.40

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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.