Home / 804,493.80-1,206,740.70-243,528.30

Finding the Fourth Proportional to 804,493.80, 1,206,740.70 and 243,528.30

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Solution

The fourth proportional to 804,493.80, 1,206,740.70 and 243,528.30 is: 365,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,493.80 : 1,206,740.70 = 243,528.30 : x
  2. Step 2: Convert to fraction form
    804,493.80/1,206,740.70 = 243,528.30/x
  3. Step 3: Cross multiply
    804,493.80x = 1,206,740.70 × 243,528.30
  4. Step 4: Simplify right side
    804,493.80x = 293,875,511,211.81
  5. Step 5: Solve for x
    x = 293,875,511,211.81/804,493.80
  6. Step 6: Final answer
    x = 365,292.45

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Double scale
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Similar ratio
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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.