Home / 804,368.40-1,206,552.60-520,933.20

Finding the Fourth Proportional to 804,368.40, 1,206,552.60 and 520,933.20

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Solution

The fourth proportional to 804,368.40, 1,206,552.60 and 520,933.20 is: 781,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,368.40 : 1,206,552.60 = 520,933.20 : x
  2. Step 2: Convert to fraction form
    804,368.40/1,206,552.60 = 520,933.20/x
  3. Step 3: Cross multiply
    804,368.40x = 1,206,552.60 × 520,933.20
  4. Step 4: Simplify right side
    804,368.40x = 628,533,306,886.32
  5. Step 5: Solve for x
    x = 628,533,306,886.32/804,368.40
  6. Step 6: Final answer
    x = 781,399.80

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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.