Home / 748,138.02-1,122,364.85-242,659.76

Finding the Fourth Proportional to 748,138.02, 1,122,364.85 and 242,659.76

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Solution

The fourth proportional to 748,138.02, 1,122,364.85 and 242,659.76 is: 364,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,138.02 : 1,122,364.85 = 242,659.76 : x
  2. Step 2: Convert to fraction form
    748,138.02/1,122,364.85 = 242,659.76/x
  3. Step 3: Cross multiply
    748,138.02x = 1,122,364.85 × 242,659.76
  4. Step 4: Simplify right side
    748,138.02x = 272,352,778,308.31
  5. Step 5: Solve for x
    x = 272,352,778,308.31/748,138.02
  6. Step 6: Final answer
    x = 364,040.82

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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.