Home / 768,238.60-1,151,787.24-368,498.74

Finding the Fourth Proportional to 768,238.60, 1,151,787.24 and 368,498.74

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Solution

The fourth proportional to 768,238.60, 1,151,787.24 and 368,498.74 is: 552,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,238.60 : 1,151,787.24 = 368,498.74 : x
  2. Step 2: Convert to fraction form
    768,238.60/1,151,787.24 = 368,498.74/x
  3. Step 3: Cross multiply
    768,238.60x = 1,151,787.24 × 368,498.74
  4. Step 4: Simplify right side
    768,238.60x = 424,432,146,688.08
  5. Step 5: Solve for x
    x = 424,432,146,688.08/768,238.60
  6. Step 6: Final answer
    x = 552,474.38

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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.