Home / 748,138.62-1,122,365.76-242,660.34

Finding the Fourth Proportional to 748,138.62, 1,122,365.76 and 242,660.34

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Solution

The fourth proportional to 748,138.62, 1,122,365.76 and 242,660.34 is: 364,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,138.62 : 1,122,365.76 = 242,660.34 : x
  2. Step 2: Convert to fraction form
    748,138.62/1,122,365.76 = 242,660.34/x
  3. Step 3: Cross multiply
    748,138.62x = 1,122,365.76 × 242,660.34
  4. Step 4: Simplify right side
    748,138.62x = 272,353,656,925.96
  5. Step 5: Solve for x
    x = 272,353,656,925.96/748,138.62
  6. Step 6: Final answer
    x = 364,041.70

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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.