Home / 723,981.75-999,240.20-418,107.93

Finding the Fourth Proportional to 723,981.75, 999,240.20 and 418,107.93

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Solution

The fourth proportional to 723,981.75, 999,240.20 and 418,107.93 is: 577,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,981.75 : 999,240.20 = 418,107.93 : x
  2. Step 2: Convert to fraction form
    723,981.75/999,240.20 = 418,107.93/x
  3. Step 3: Cross multiply
    723,981.75x = 999,240.20 × 418,107.93
  4. Step 4: Simplify right side
    723,981.75x = 417,790,247,325.00
  5. Step 5: Solve for x
    x = 417,790,247,325.00/723,981.75
  6. Step 6: Final answer
    x = 577,072.90

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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.