Home / 672,829.53-928,504.76-371,023.53

Finding the Fourth Proportional to 672,829.53, 928,504.76 and 371,023.53

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Solution

The fourth proportional to 672,829.53, 928,504.76 and 371,023.53 is: 512,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,829.53 : 928,504.76 = 371,023.53 : x
  2. Step 2: Convert to fraction form
    672,829.53/928,504.76 = 371,023.53/x
  3. Step 3: Cross multiply
    672,829.53x = 928,504.76 × 371,023.53
  4. Step 4: Simplify right side
    672,829.53x = 344,497,111,821.89
  5. Step 5: Solve for x
    x = 344,497,111,821.89/672,829.53
  6. Step 6: Final answer
    x = 512,012.47

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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.