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Finding the Fourth Proportional to 502,073.44, 692,865.84 and 275,720.56

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Solution

The fourth proportional to 502,073.44, 692,865.84 and 275,720.56 is: 380,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,073.44 : 692,865.84 = 275,720.56 : x
  2. Step 2: Convert to fraction form
    502,073.44/692,865.84 = 275,720.56/x
  3. Step 3: Cross multiply
    502,073.44x = 692,865.84 × 275,720.56
  4. Step 4: Simplify right side
    502,073.44x = 191,037,357,409.67
  5. Step 5: Solve for x
    x = 191,037,357,409.67/502,073.44
  6. Step 6: Final answer
    x = 380,496.84

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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.