Home / 697,370.09-962,293.73-391,376.29

Finding the Fourth Proportional to 697,370.09, 962,293.73 and 391,376.29

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Solution

The fourth proportional to 697,370.09, 962,293.73 and 391,376.29 is: 540,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,370.09 : 962,293.73 = 391,376.29 : x
  2. Step 2: Convert to fraction form
    697,370.09/962,293.73 = 391,376.29/x
  3. Step 3: Cross multiply
    697,370.09x = 962,293.73 × 391,376.29
  4. Step 4: Simplify right side
    697,370.09x = 376,618,949,937.66
  5. Step 5: Solve for x
    x = 376,618,949,937.66/697,370.09
  6. Step 6: Final answer
    x = 540,056.07

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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.