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Finding the Fourth Proportional to 672,518.34, 928,081.53 and 370,723.14

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Solution

The fourth proportional to 672,518.34, 928,081.53 and 370,723.14 is: 511,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,518.34 : 928,081.53 = 370,723.14 : x
  2. Step 2: Convert to fraction form
    672,518.34/928,081.53 = 370,723.14/x
  3. Step 3: Cross multiply
    672,518.34x = 928,081.53 × 370,723.14
  4. Step 4: Simplify right side
    672,518.34x = 344,061,298,977.60
  5. Step 5: Solve for x
    x = 344,061,298,977.60/672,518.34
  6. Step 6: Final answer
    x = 511,601.36

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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.