Home / 804,908.40-1,207,362.60-538,969.20

Finding the Fourth Proportional to 804,908.40, 1,207,362.60 and 538,969.20

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Solution

The fourth proportional to 804,908.40, 1,207,362.60 and 538,969.20 is: 808,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,908.40 : 1,207,362.60 = 538,969.20 : x
  2. Step 2: Convert to fraction form
    804,908.40/1,207,362.60 = 538,969.20/x
  3. Step 3: Cross multiply
    804,908.40x = 1,207,362.60 × 538,969.20
  4. Step 4: Simplify right side
    804,908.40x = 650,731,254,631.92
  5. Step 5: Solve for x
    x = 650,731,254,631.92/804,908.40
  6. Step 6: Final answer
    x = 808,453.80

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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.