Home / 976,016.40-1,466,482.20-621,200.40

Finding the Fourth Proportional to 976,016.40, 1,466,482.20 and 621,200.40

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Solution

The fourth proportional to 976,016.40, 1,466,482.20 and 621,200.40 is: 933,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,016.40 : 1,466,482.20 = 621,200.40 : x
  2. Step 2: Convert to fraction form
    976,016.40/1,466,482.20 = 621,200.40/x
  3. Step 3: Cross multiply
    976,016.40x = 1,466,482.20 × 621,200.40
  4. Step 4: Simplify right side
    976,016.40x = 910,979,329,232.88
  5. Step 5: Solve for x
    x = 910,979,329,232.88/976,016.40
  6. Step 6: Final answer
    x = 933,364.78

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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.