Home / 959,717.23-1,439,571.76-390,971.48

Finding the Fourth Proportional to 959,717.23, 1,439,571.76 and 390,971.48

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Solution

The fourth proportional to 959,717.23, 1,439,571.76 and 390,971.48 is: 586,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,717.23 : 1,439,571.76 = 390,971.48 : x
  2. Step 2: Convert to fraction form
    959,717.23/1,439,571.76 = 390,971.48/x
  3. Step 3: Cross multiply
    959,717.23x = 1,439,571.76 × 390,971.48
  4. Step 4: Simplify right side
    959,717.23x = 562,831,493,398.12
  5. Step 5: Solve for x
    x = 562,831,493,398.12/959,717.23
  6. Step 6: Final answer
    x = 586,455.55

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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.