Home / 553,837.46-764,294.73-299,187.86

Finding the Fourth Proportional to 553,837.46, 764,294.73 and 299,187.86

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Solution

The fourth proportional to 553,837.46, 764,294.73 and 299,187.86 is: 412,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,837.46 : 764,294.73 = 299,187.86 : x
  2. Step 2: Convert to fraction form
    553,837.46/764,294.73 = 299,187.86/x
  3. Step 3: Cross multiply
    553,837.46x = 764,294.73 × 299,187.86
  4. Step 4: Simplify right side
    553,837.46x = 228,667,704,677.98
  5. Step 5: Solve for x
    x = 228,667,704,677.98/553,837.46
  6. Step 6: Final answer
    x = 412,878.73

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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.