Home / 677,890.59-1,016,841.85-172,452.10

Finding the Fourth Proportional to 677,890.59, 1,016,841.85 and 172,452.10

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Solution

The fourth proportional to 677,890.59, 1,016,841.85 and 172,452.10 is: 258,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,890.59 : 1,016,841.85 = 172,452.10 : x
  2. Step 2: Convert to fraction form
    677,890.59/1,016,841.85 = 172,452.10/x
  3. Step 3: Cross multiply
    677,890.59x = 1,016,841.85 × 172,452.10
  4. Step 4: Simplify right side
    677,890.59x = 175,356,516,936.94
  5. Step 5: Solve for x
    x = 175,356,516,936.94/677,890.59
  6. Step 6: Final answer
    x = 258,679.67

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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.