Home / 804,580.20-1,206,870.30-243,642.60

Finding the Fourth Proportional to 804,580.20, 1,206,870.30 and 243,642.60

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Solution

The fourth proportional to 804,580.20, 1,206,870.30 and 243,642.60 is: 365,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,580.20 : 1,206,870.30 = 243,642.60 : x
  2. Step 2: Convert to fraction form
    804,580.20/1,206,870.30 = 243,642.60/x
  3. Step 3: Cross multiply
    804,580.20x = 1,206,870.30 × 243,642.60
  4. Step 4: Simplify right side
    804,580.20x = 294,045,017,754.78
  5. Step 5: Solve for x
    x = 294,045,017,754.78/804,580.20
  6. Step 6: Final answer
    x = 365,463.90

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1.5x scale

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.