Home / 737,434.78-1,106,152.18-421,670.20

Finding the Fourth Proportional to 737,434.78, 1,106,152.18 and 421,670.20

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Solution

The fourth proportional to 737,434.78, 1,106,152.18 and 421,670.20 is: 632,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,434.78 : 1,106,152.18 = 421,670.20 : x
  2. Step 2: Convert to fraction form
    737,434.78/1,106,152.18 = 421,670.20/x
  3. Step 3: Cross multiply
    737,434.78x = 1,106,152.18 × 421,670.20
  4. Step 4: Simplify right side
    737,434.78x = 466,431,410,971.04
  5. Step 5: Solve for x
    x = 466,431,410,971.04/737,434.78
  6. Step 6: Final answer
    x = 632,505.31

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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.