Home / 976,944.64-1,465,971.20-415,920.64

Finding the Fourth Proportional to 976,944.64, 1,465,971.20 and 415,920.64

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Solution

The fourth proportional to 976,944.64, 1,465,971.20 and 415,920.64 is: 624,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,944.64 : 1,465,971.20 = 415,920.64 : x
  2. Step 2: Convert to fraction form
    976,944.64/1,465,971.20 = 415,920.64/x
  3. Step 3: Cross multiply
    976,944.64x = 1,465,971.20 × 415,920.64
  4. Step 4: Simplify right side
    976,944.64x = 609,727,679,725.57
  5. Step 5: Solve for x
    x = 609,727,679,725.57/976,944.64
  6. Step 6: Final answer
    x = 624,116.92

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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.