Home / 672,823.34-928,503.15-371,028.14

Finding the Fourth Proportional to 672,823.34, 928,503.15 and 371,028.14

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Solution

The fourth proportional to 672,823.34, 928,503.15 and 371,028.14 is: 512,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,823.34 : 928,503.15 = 371,028.14 : x
  2. Step 2: Convert to fraction form
    672,823.34/928,503.15 = 371,028.14/x
  3. Step 3: Cross multiply
    672,823.34x = 928,503.15 × 371,028.14
  4. Step 4: Simplify right side
    672,823.34x = 344,500,796,728.64
  5. Step 5: Solve for x
    x = 344,500,796,728.64/672,823.34
  6. Step 6: Final answer
    x = 512,022.66

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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.