Home / 709,468.80-1,064,200.40-210,832.80

Finding the Fourth Proportional to 709,468.80, 1,064,200.40 and 210,832.80

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Solution

The fourth proportional to 709,468.80, 1,064,200.40 and 210,832.80 is: 316,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,468.80 : 1,064,200.40 = 210,832.80 : x
  2. Step 2: Convert to fraction form
    709,468.80/1,064,200.40 = 210,832.80/x
  3. Step 3: Cross multiply
    709,468.80x = 1,064,200.40 × 210,832.80
  4. Step 4: Simplify right side
    709,468.80x = 224,368,350,093.12
  5. Step 5: Solve for x
    x = 224,368,350,093.12/709,468.80
  6. Step 6: Final answer
    x = 316,248.37

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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.