Home / 501,511.28-692,086.20-275,157.68

Finding the Fourth Proportional to 501,511.28, 692,086.20 and 275,157.68

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Solution

The fourth proportional to 501,511.28, 692,086.20 and 275,157.68 is: 379,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,511.28 : 692,086.20 = 275,157.68 : x
  2. Step 2: Convert to fraction form
    501,511.28/692,086.20 = 275,157.68/x
  3. Step 3: Cross multiply
    501,511.28x = 692,086.20 × 275,157.68
  4. Step 4: Simplify right side
    501,511.28x = 190,432,833,152.02
  5. Step 5: Solve for x
    x = 190,432,833,152.02/501,511.28
  6. Step 6: Final answer
    x = 379,717.95

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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.