Home / 672,636.79-1,008,951.54-288,329.05

Finding the Fourth Proportional to 672,636.79, 1,008,951.54 and 288,329.05

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Solution

The fourth proportional to 672,636.79, 1,008,951.54 and 288,329.05 is: 432,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,636.79 : 1,008,951.54 = 288,329.05 : x
  2. Step 2: Convert to fraction form
    672,636.79/1,008,951.54 = 288,329.05/x
  3. Step 3: Cross multiply
    672,636.79x = 1,008,951.54 × 288,329.05
  4. Step 4: Simplify right side
    672,636.79x = 290,910,039,024.24
  5. Step 5: Solve for x
    x = 290,910,039,024.24/672,636.79
  6. Step 6: Final answer
    x = 432,492.01

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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.