Home / 891,387.77-1,336,746.53-322,628.34

Finding the Fourth Proportional to 891,387.77, 1,336,746.53 and 322,628.34

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Solution

The fourth proportional to 891,387.77, 1,336,746.53 and 322,628.34 is: 483,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,387.77 : 1,336,746.53 = 322,628.34 : x
  2. Step 2: Convert to fraction form
    891,387.77/1,336,746.53 = 322,628.34/x
  3. Step 3: Cross multiply
    891,387.77x = 1,336,746.53 × 322,628.34
  4. Step 4: Simplify right side
    891,387.77x = 431,272,312,361.52
  5. Step 5: Solve for x
    x = 431,272,312,361.52/891,387.77
  6. Step 6: Final answer
    x = 483,821.22

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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.