Home / 735,458.88-1,015,043.04-449,143.68

Finding the Fourth Proportional to 735,458.88, 1,015,043.04 and 449,143.68

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Solution

The fourth proportional to 735,458.88, 1,015,043.04 and 449,143.68 is: 619,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,458.88 : 1,015,043.04 = 449,143.68 : x
  2. Step 2: Convert to fraction form
    735,458.88/1,015,043.04 = 449,143.68/x
  3. Step 3: Cross multiply
    735,458.88x = 1,015,043.04 × 449,143.68
  4. Step 4: Simplify right side
    735,458.88x = 455,900,166,343.99
  5. Step 5: Solve for x
    x = 455,900,166,343.99/735,458.88
  6. Step 6: Final answer
    x = 619,885.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.