Home / 672,206.76-1,009,007.10-298,492.20

Finding the Fourth Proportional to 672,206.76, 1,009,007.10 and 298,492.20

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Solution

The fourth proportional to 672,206.76, 1,009,007.10 and 298,492.20 is: 448,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,206.76 : 1,009,007.10 = 298,492.20 : x
  2. Step 2: Convert to fraction form
    672,206.76/1,009,007.10 = 298,492.20/x
  3. Step 3: Cross multiply
    672,206.76x = 1,009,007.10 × 298,492.20
  4. Step 4: Simplify right side
    672,206.76x = 301,180,749,094.62
  5. Step 5: Solve for x
    x = 301,180,749,094.62/672,206.76
  6. Step 6: Final answer
    x = 448,047.78

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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.