Home / 648,868.84-971,998.08-323,676.52

Finding the Fourth Proportional to 648,868.84, 971,998.08 and 323,676.52

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Solution

The fourth proportional to 648,868.84, 971,998.08 and 323,676.52 is: 484,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,868.84 : 971,998.08 = 323,676.52 : x
  2. Step 2: Convert to fraction form
    648,868.84/971,998.08 = 323,676.52/x
  3. Step 3: Cross multiply
    648,868.84x = 971,998.08 × 323,676.52
  4. Step 4: Simplify right side
    648,868.84x = 314,612,955,981.08
  5. Step 5: Solve for x
    x = 314,612,955,981.08/648,868.84
  6. Step 6: Final answer
    x = 484,863.71

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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.