Home / 959,677.77-1,440,623.81-487,359.59

Finding the Fourth Proportional to 959,677.77, 1,440,623.81 and 487,359.59

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Solution

The fourth proportional to 959,677.77, 1,440,623.81 and 487,359.59 is: 731,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,677.77 : 1,440,623.81 = 487,359.59 : x
  2. Step 2: Convert to fraction form
    959,677.77/1,440,623.81 = 487,359.59/x
  3. Step 3: Cross multiply
    959,677.77x = 1,440,623.81 × 487,359.59
  4. Step 4: Simplify right side
    959,677.77x = 702,101,823,401.12
  5. Step 5: Solve for x
    x = 702,101,823,401.12/959,677.77
  6. Step 6: Final answer
    x = 731,601.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.