Home / 697,358.13-962,451.33-387,330.37

Finding the Fourth Proportional to 697,358.13, 962,451.33 and 387,330.37

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Solution

The fourth proportional to 697,358.13, 962,451.33 and 387,330.37 is: 534,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,358.13 : 962,451.33 = 387,330.37 : x
  2. Step 2: Convert to fraction form
    697,358.13/962,451.33 = 387,330.37/x
  3. Step 3: Cross multiply
    697,358.13x = 962,451.33 × 387,330.37
  4. Step 4: Simplify right side
    697,358.13x = 372,786,631,453.41
  5. Step 5: Solve for x
    x = 372,786,631,453.41/697,358.13
  6. Step 6: Final answer
    x = 534,569.85

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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.