Home / 945,894.96-1,418,802.75-440,282.07

Finding the Fourth Proportional to 945,894.96, 1,418,802.75 and 440,282.07

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Solution

The fourth proportional to 945,894.96, 1,418,802.75 and 440,282.07 is: 660,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,894.96 : 1,418,802.75 = 440,282.07 : x
  2. Step 2: Convert to fraction form
    945,894.96/1,418,802.75 = 440,282.07/x
  3. Step 3: Cross multiply
    945,894.96x = 1,418,802.75 × 440,282.07
  4. Step 4: Simplify right side
    945,894.96x = 624,673,409,490.28
  5. Step 5: Solve for x
    x = 624,673,409,490.28/945,894.96
  6. Step 6: Final answer
    x = 660,404.63

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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.