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Finding the Fourth Proportional to 897,663.60, 1,346,556.15 and 365,193.90

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Solution

The fourth proportional to 897,663.60, 1,346,556.15 and 365,193.90 is: 547,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,663.60 : 1,346,556.15 = 365,193.90 : x
  2. Step 2: Convert to fraction form
    897,663.60/1,346,556.15 = 365,193.90/x
  3. Step 3: Cross multiply
    897,663.60x = 1,346,556.15 × 365,193.90
  4. Step 4: Simplify right side
    897,663.60x = 491,754,091,987.49
  5. Step 5: Solve for x
    x = 491,754,091,987.49/897,663.60
  6. Step 6: Final answer
    x = 547,815.56

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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.