Home / 745,572.52-1,118,395.62-213,171.88

Finding the Fourth Proportional to 745,572.52, 1,118,395.62 and 213,171.88

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Solution

The fourth proportional to 745,572.52, 1,118,395.62 and 213,171.88 is: 319,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,572.52 : 1,118,395.62 = 213,171.88 : x
  2. Step 2: Convert to fraction form
    745,572.52/1,118,395.62 = 213,171.88/x
  3. Step 3: Cross multiply
    745,572.52x = 1,118,395.62 × 213,171.88
  4. Step 4: Simplify right side
    745,572.52x = 238,410,496,899.17
  5. Step 5: Solve for x
    x = 238,410,496,899.17/745,572.52
  6. Step 6: Final answer
    x = 319,768.35

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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.