Home / 672,821.57-928,516.18-366,914.69

Finding the Fourth Proportional to 672,821.57, 928,516.18 and 366,914.69

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Solution

The fourth proportional to 672,821.57, 928,516.18 and 366,914.69 is: 506,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,821.57 : 928,516.18 = 366,914.69 : x
  2. Step 2: Convert to fraction form
    672,821.57/928,516.18 = 366,914.69/x
  3. Step 3: Cross multiply
    672,821.57x = 928,516.18 × 366,914.69
  4. Step 4: Simplify right side
    672,821.57x = 340,686,220,784.82
  5. Step 5: Solve for x
    x = 340,686,220,784.82/672,821.57
  6. Step 6: Final answer
    x = 506,354.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.