Home / 486,300.18-729,450.27-249,491.82

Finding the Fourth Proportional to 486,300.18, 729,450.27 and 249,491.82

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Solution

The fourth proportional to 486,300.18, 729,450.27 and 249,491.82 is: 374,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,300.18 : 729,450.27 = 249,491.82 : x
  2. Step 2: Convert to fraction form
    486,300.18/729,450.27 = 249,491.82/x
  3. Step 3: Cross multiply
    486,300.18x = 729,450.27 × 249,491.82
  4. Step 4: Simplify right side
    486,300.18x = 181,991,876,496.50
  5. Step 5: Solve for x
    x = 181,991,876,496.50/486,300.18
  6. Step 6: Final answer
    x = 374,237.73

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Double scale
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Similar ratio
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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.