Home / 676,890.18-1,014,997.19-221,421.96

Finding the Fourth Proportional to 676,890.18, 1,014,997.19 and 221,421.96

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Solution

The fourth proportional to 676,890.18, 1,014,997.19 and 221,421.96 is: 332,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,890.18 : 1,014,997.19 = 221,421.96 : x
  2. Step 2: Convert to fraction form
    676,890.18/1,014,997.19 = 221,421.96/x
  3. Step 3: Cross multiply
    676,890.18x = 1,014,997.19 × 221,421.96
  4. Step 4: Simplify right side
    676,890.18x = 224,742,666,097.18
  5. Step 5: Solve for x
    x = 224,742,666,097.18/676,890.18
  6. Step 6: Final answer
    x = 332,022.35

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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.