Home / 871,044.76-1,306,649.70-338,606.92

Finding the Fourth Proportional to 871,044.76, 1,306,649.70 and 338,606.92

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Solution

The fourth proportional to 871,044.76, 1,306,649.70 and 338,606.92 is: 507,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,044.76 : 1,306,649.70 = 338,606.92 : x
  2. Step 2: Convert to fraction form
    871,044.76/1,306,649.70 = 338,606.92/x
  3. Step 3: Cross multiply
    871,044.76x = 1,306,649.70 × 338,606.92
  4. Step 4: Simplify right side
    871,044.76x = 442,440,630,435.92
  5. Step 5: Solve for x
    x = 442,440,630,435.92/871,044.76
  6. Step 6: Final answer
    x = 507,942.47

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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.