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Finding the Fourth Proportional to 804,801.60, 1,207,202.40 and 713,822.40

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Solution

The fourth proportional to 804,801.60, 1,207,202.40 and 713,822.40 is: 1,070,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,801.60 : 1,207,202.40 = 713,822.40 : x
  2. Step 2: Convert to fraction form
    804,801.60/1,207,202.40 = 713,822.40/x
  3. Step 3: Cross multiply
    804,801.60x = 1,207,202.40 × 713,822.40
  4. Step 4: Simplify right side
    804,801.60x = 861,728,114,453.76
  5. Step 5: Solve for x
    x = 861,728,114,453.76/804,801.60
  6. Step 6: Final answer
    x = 1,070,733.60

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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.