Home / 671,280.72-1,006,923.79-271,929.05

Finding the Fourth Proportional to 671,280.72, 1,006,923.79 and 271,929.05

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Solution

The fourth proportional to 671,280.72, 1,006,923.79 and 271,929.05 is: 407,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,280.72 : 1,006,923.79 = 271,929.05 : x
  2. Step 2: Convert to fraction form
    671,280.72/1,006,923.79 = 271,929.05/x
  3. Step 3: Cross multiply
    671,280.72x = 1,006,923.79 × 271,929.05
  4. Step 4: Simplify right side
    671,280.72x = 273,811,828,718.36
  5. Step 5: Solve for x
    x = 273,811,828,718.36/671,280.72
  6. Step 6: Final answer
    x = 407,894.67

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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.