Home / 672,206.34-1,007,529.48-272,349.84

Finding the Fourth Proportional to 672,206.34, 1,007,529.48 and 272,349.84

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Solution

The fourth proportional to 672,206.34, 1,007,529.48 and 272,349.84 is: 408,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,206.34 : 1,007,529.48 = 272,349.84 : x
  2. Step 2: Convert to fraction form
    672,206.34/1,007,529.48 = 272,349.84/x
  3. Step 3: Cross multiply
    672,206.34x = 1,007,529.48 × 272,349.84
  4. Step 4: Simplify right side
    672,206.34x = 274,400,492,673.28
  5. Step 5: Solve for x
    x = 274,400,492,673.28/672,206.34
  6. Step 6: Final answer
    x = 408,208.72

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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.