Home / 804,490.40-1,206,908.40-243,581.60

Finding the Fourth Proportional to 804,490.40, 1,206,908.40 and 243,581.60

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Solution

The fourth proportional to 804,490.40, 1,206,908.40 and 243,581.60 is: 365,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,490.40 : 1,206,908.40 = 243,581.60 : x
  2. Step 2: Convert to fraction form
    804,490.40/1,206,908.40 = 243,581.60/x
  3. Step 3: Cross multiply
    804,490.40x = 1,206,908.40 × 243,581.60
  4. Step 4: Simplify right side
    804,490.40x = 293,980,679,125.44
  5. Step 5: Solve for x
    x = 293,980,679,125.44/804,490.40
  6. Step 6: Final answer
    x = 365,424.72

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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.