Home / 709,467.20-1,064,200.80-210,831.20

Finding the Fourth Proportional to 709,467.20, 1,064,200.80 and 210,831.20

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Solution

The fourth proportional to 709,467.20, 1,064,200.80 and 210,831.20 is: 316,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,467.20 : 1,064,200.80 = 210,831.20 : x
  2. Step 2: Convert to fraction form
    709,467.20/1,064,200.80 = 210,831.20/x
  3. Step 3: Cross multiply
    709,467.20x = 1,064,200.80 × 210,831.20
  4. Step 4: Simplify right side
    709,467.20x = 224,366,731,704.96
  5. Step 5: Solve for x
    x = 224,366,731,704.96/709,467.20
  6. Step 6: Final answer
    x = 316,246.80

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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.