Home / 479,927.32-720,024.47-210,007.37

Finding the Fourth Proportional to 479,927.32, 720,024.47 and 210,007.37

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Solution

The fourth proportional to 479,927.32, 720,024.47 and 210,007.37 is: 315,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,927.32 : 720,024.47 = 210,007.37 : x
  2. Step 2: Convert to fraction form
    479,927.32/720,024.47 = 210,007.37/x
  3. Step 3: Cross multiply
    479,927.32x = 720,024.47 × 210,007.37
  4. Step 4: Simplify right side
    479,927.32x = 151,210,445,280.34
  5. Step 5: Solve for x
    x = 151,210,445,280.34/479,927.32
  6. Step 6: Final answer
    x = 315,069.47

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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.