Home / 747,644.54-1,121,412.39-292,150.46

Finding the Fourth Proportional to 747,644.54, 1,121,412.39 and 292,150.46

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Solution

The fourth proportional to 747,644.54, 1,121,412.39 and 292,150.46 is: 438,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,644.54 : 1,121,412.39 = 292,150.46 : x
  2. Step 2: Convert to fraction form
    747,644.54/1,121,412.39 = 292,150.46/x
  3. Step 3: Cross multiply
    747,644.54x = 1,121,412.39 × 292,150.46
  4. Step 4: Simplify right side
    747,644.54x = 327,621,139,981.14
  5. Step 5: Solve for x
    x = 327,621,139,981.14/747,644.54
  6. Step 6: Final answer
    x = 438,204.42

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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.