Home / 660,676.84-990,977.83-180,869.55

Finding the Fourth Proportional to 660,676.84, 990,977.83 and 180,869.55

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Solution

The fourth proportional to 660,676.84, 990,977.83 and 180,869.55 is: 271,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,676.84 : 990,977.83 = 180,869.55 : x
  2. Step 2: Convert to fraction form
    660,676.84/990,977.83 = 180,869.55/x
  3. Step 3: Cross multiply
    660,676.84x = 990,977.83 × 180,869.55
  4. Step 4: Simplify right side
    660,676.84x = 179,237,710,003.74
  5. Step 5: Solve for x
    x = 179,237,710,003.74/660,676.84
  6. Step 6: Final answer
    x = 271,294.07

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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.