Home / 765,787.56-1,056,768.58-426,248.52

Finding the Fourth Proportional to 765,787.56, 1,056,768.58 and 426,248.52

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Solution

The fourth proportional to 765,787.56, 1,056,768.58 and 426,248.52 is: 588,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,787.56 : 1,056,768.58 = 426,248.52 : x
  2. Step 2: Convert to fraction form
    765,787.56/1,056,768.58 = 426,248.52/x
  3. Step 3: Cross multiply
    765,787.56x = 1,056,768.58 × 426,248.52
  4. Step 4: Simplify right side
    765,787.56x = 450,446,043,207.50
  5. Step 5: Solve for x
    x = 450,446,043,207.50/765,787.56
  6. Step 6: Final answer
    x = 588,212.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.