Home / 672,005.20-1,007,230.20-272,448.40

Finding the Fourth Proportional to 672,005.20, 1,007,230.20 and 272,448.40

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Solution

The fourth proportional to 672,005.20, 1,007,230.20 and 272,448.40 is: 408,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,005.20 : 1,007,230.20 = 272,448.40 : x
  2. Step 2: Convert to fraction form
    672,005.20/1,007,230.20 = 272,448.40/x
  3. Step 3: Cross multiply
    672,005.20x = 1,007,230.20 × 272,448.40
  4. Step 4: Simplify right side
    672,005.20x = 274,418,256,421.68
  5. Step 5: Solve for x
    x = 274,418,256,421.68/672,005.20
  6. Step 6: Final answer
    x = 408,357.34

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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.