Home / 608,904.15-840,289.97-329,501.38

Finding the Fourth Proportional to 608,904.15, 840,289.97 and 329,501.38

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Solution

The fourth proportional to 608,904.15, 840,289.97 and 329,501.38 is: 454,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,904.15 : 840,289.97 = 329,501.38 : x
  2. Step 2: Convert to fraction form
    608,904.15/840,289.97 = 329,501.38/x
  3. Step 3: Cross multiply
    608,904.15x = 840,289.97 × 329,501.38
  4. Step 4: Simplify right side
    608,904.15x = 276,876,704,715.16
  5. Step 5: Solve for x
    x = 276,876,704,715.16/608,904.15
  6. Step 6: Final answer
    x = 454,713.12

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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.