Home / 719,089.45-1,079,046.30-292,546.55

Finding the Fourth Proportional to 719,089.45, 1,079,046.30 and 292,546.55

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Solution

The fourth proportional to 719,089.45, 1,079,046.30 and 292,546.55 is: 438,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,089.45 : 1,079,046.30 = 292,546.55 : x
  2. Step 2: Convert to fraction form
    719,089.45/1,079,046.30 = 292,546.55/x
  3. Step 3: Cross multiply
    719,089.45x = 1,079,046.30 × 292,546.55
  4. Step 4: Simplify right side
    719,089.45x = 315,671,272,355.27
  5. Step 5: Solve for x
    x = 315,671,272,355.27/719,089.45
  6. Step 6: Final answer
    x = 438,987.49

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1.5x scale

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.