Home / 479,970.72-719,946.36-124,976.88

Finding the Fourth Proportional to 479,970.72, 719,946.36 and 124,976.88

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Solution

The fourth proportional to 479,970.72, 719,946.36 and 124,976.88 is: 187,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,970.72 : 719,946.36 = 124,976.88 : x
  2. Step 2: Convert to fraction form
    479,970.72/719,946.36 = 124,976.88/x
  3. Step 3: Cross multiply
    479,970.72x = 719,946.36 × 124,976.88
  4. Step 4: Simplify right side
    479,970.72x = 89,976,649,840.16
  5. Step 5: Solve for x
    x = 89,976,649,840.16/479,970.72
  6. Step 6: Final answer
    x = 187,462.79

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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.