Home / 792,315.90-1,093,410.81-486,239.06

Finding the Fourth Proportional to 792,315.90, 1,093,410.81 and 486,239.06

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Solution

The fourth proportional to 792,315.90, 1,093,410.81 and 486,239.06 is: 671,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,315.90 : 1,093,410.81 = 486,239.06 : x
  2. Step 2: Convert to fraction form
    792,315.90/1,093,410.81 = 486,239.06/x
  3. Step 3: Cross multiply
    792,315.90x = 1,093,410.81 × 486,239.06
  4. Step 4: Simplify right side
    792,315.90x = 531,659,038,981.19
  5. Step 5: Solve for x
    x = 531,659,038,981.19/792,315.90
  6. Step 6: Final answer
    x = 671,019.02

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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.