Home / 709,171.20-1,062,007.20-471,225.60

Finding the Fourth Proportional to 709,171.20, 1,062,007.20 and 471,225.60

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Solution

The fourth proportional to 709,171.20, 1,062,007.20 and 471,225.60 is: 705,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,171.20 : 1,062,007.20 = 471,225.60 : x
  2. Step 2: Convert to fraction form
    709,171.20/1,062,007.20 = 471,225.60/x
  3. Step 3: Cross multiply
    709,171.20x = 1,062,007.20 × 471,225.60
  4. Step 4: Simplify right side
    709,171.20x = 500,444,980,024.32
  5. Step 5: Solve for x
    x = 500,444,980,024.32/709,171.20
  6. Step 6: Final answer
    x = 705,675.84

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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.