Home / 718,590.74-1,077,702.17-213,033.56

Finding the Fourth Proportional to 718,590.74, 1,077,702.17 and 213,033.56

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Solution

The fourth proportional to 718,590.74, 1,077,702.17 and 213,033.56 is: 319,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,590.74 : 1,077,702.17 = 213,033.56 : x
  2. Step 2: Convert to fraction form
    718,590.74/1,077,702.17 = 213,033.56/x
  3. Step 3: Cross multiply
    718,590.74x = 1,077,702.17 × 213,033.56
  4. Step 4: Simplify right side
    718,590.74x = 229,586,723,441.15
  5. Step 5: Solve for x
    x = 229,586,723,441.15/718,590.74
  6. Step 6: Final answer
    x = 319,495.80

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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.