Home / 486,922.79-671,940.56-272,064.62

Finding the Fourth Proportional to 486,922.79, 671,940.56 and 272,064.62

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Solution

The fourth proportional to 486,922.79, 671,940.56 and 272,064.62 is: 375,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,922.79 : 671,940.56 = 272,064.62 : x
  2. Step 2: Convert to fraction form
    486,922.79/671,940.56 = 272,064.62/x
  3. Step 3: Cross multiply
    486,922.79x = 671,940.56 × 272,064.62
  4. Step 4: Simplify right side
    486,922.79x = 182,811,255,479.00
  5. Step 5: Solve for x
    x = 182,811,255,479.00/486,922.79
  6. Step 6: Final answer
    x = 375,441.98

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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.