Home / 976,015.40-1,466,480.70-621,199.40

Finding the Fourth Proportional to 976,015.40, 1,466,480.70 and 621,199.40

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Solution

The fourth proportional to 976,015.40, 1,466,480.70 and 621,199.40 is: 933,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,015.40 : 1,466,480.70 = 621,199.40 : x
  2. Step 2: Convert to fraction form
    976,015.40/1,466,480.70 = 621,199.40/x
  3. Step 3: Cross multiply
    976,015.40x = 1,466,480.70 × 621,199.40
  4. Step 4: Simplify right side
    976,015.40x = 910,976,930,951.58
  5. Step 5: Solve for x
    x = 910,976,930,951.58/976,015.40
  6. Step 6: Final answer
    x = 933,363.28

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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.