Home / 763,792.53-1,054,050.40-419,632.89

Finding the Fourth Proportional to 763,792.53, 1,054,050.40 and 419,632.89

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Solution

The fourth proportional to 763,792.53, 1,054,050.40 and 419,632.89 is: 579,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,792.53 : 1,054,050.40 = 419,632.89 : x
  2. Step 2: Convert to fraction form
    763,792.53/1,054,050.40 = 419,632.89/x
  3. Step 3: Cross multiply
    763,792.53x = 1,054,050.40 × 419,632.89
  4. Step 4: Simplify right side
    763,792.53x = 442,314,215,557.66
  5. Step 5: Solve for x
    x = 442,314,215,557.66/763,792.53
  6. Step 6: Final answer
    x = 579,102.57

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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.