Home / 672,208.40-1,008,312.60-298,269.20

Finding the Fourth Proportional to 672,208.40, 1,008,312.60 and 298,269.20

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Solution

The fourth proportional to 672,208.40, 1,008,312.60 and 298,269.20 is: 447,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,208.40 : 1,008,312.60 = 298,269.20 : x
  2. Step 2: Convert to fraction form
    672,208.40/1,008,312.60 = 298,269.20/x
  3. Step 3: Cross multiply
    672,208.40x = 1,008,312.60 × 298,269.20
  4. Step 4: Simplify right side
    672,208.40x = 300,748,592,551.92
  5. Step 5: Solve for x
    x = 300,748,592,551.92/672,208.40
  6. Step 6: Final answer
    x = 447,403.80

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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.