Home / 697,249.35-962,206.10-387,152.61

Finding the Fourth Proportional to 697,249.35, 962,206.10 and 387,152.61

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Solution

The fourth proportional to 697,249.35, 962,206.10 and 387,152.61 is: 534,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,249.35 : 962,206.10 = 387,152.61 : x
  2. Step 2: Convert to fraction form
    697,249.35/962,206.10 = 387,152.61/x
  3. Step 3: Cross multiply
    697,249.35x = 962,206.10 × 387,152.61
  4. Step 4: Simplify right side
    697,249.35x = 372,520,602,972.92
  5. Step 5: Solve for x
    x = 372,520,602,972.92/697,249.35
  6. Step 6: Final answer
    x = 534,271.71

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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.