Home / 976,961.60-1,465,701.60-345,809.60

Finding the Fourth Proportional to 976,961.60, 1,465,701.60 and 345,809.60

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Solution

The fourth proportional to 976,961.60, 1,465,701.60 and 345,809.60 is: 518,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,961.60 : 1,465,701.60 = 345,809.60 : x
  2. Step 2: Convert to fraction form
    976,961.60/1,465,701.60 = 345,809.60/x
  3. Step 3: Cross multiply
    976,961.60x = 1,465,701.60 × 345,809.60
  4. Step 4: Simplify right side
    976,961.60x = 506,853,684,015.36
  5. Step 5: Solve for x
    x = 506,853,684,015.36/976,961.60
  6. Step 6: Final answer
    x = 518,806.15

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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.