Home / 507,977.52-761,966.22-170,989.88

Finding the Fourth Proportional to 507,977.52, 761,966.22 and 170,989.88

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Solution

The fourth proportional to 507,977.52, 761,966.22 and 170,989.88 is: 256,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,977.52 : 761,966.22 = 170,989.88 : x
  2. Step 2: Convert to fraction form
    507,977.52/761,966.22 = 170,989.88/x
  3. Step 3: Cross multiply
    507,977.52x = 761,966.22 × 170,989.88
  4. Step 4: Simplify right side
    507,977.52x = 130,288,512,521.85
  5. Step 5: Solve for x
    x = 130,288,512,521.85/507,977.52
  6. Step 6: Final answer
    x = 256,484.80

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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.