Home / 486,940.53-671,976.51-272,080.77

Finding the Fourth Proportional to 486,940.53, 671,976.51 and 272,080.77

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Solution

The fourth proportional to 486,940.53, 671,976.51 and 272,080.77 is: 375,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,940.53 : 671,976.51 = 272,080.77 : x
  2. Step 2: Convert to fraction form
    486,940.53/671,976.51 = 272,080.77/x
  3. Step 3: Cross multiply
    486,940.53x = 671,976.51 × 272,080.77
  4. Step 4: Simplify right side
    486,940.53x = 182,831,886,262.71
  5. Step 5: Solve for x
    x = 182,831,886,262.71/486,940.53
  6. Step 6: Final answer
    x = 375,470.67

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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.