Home / 790,379.52-1,185,572.31-191,339.70

Finding the Fourth Proportional to 790,379.52, 1,185,572.31 and 191,339.70

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Solution

The fourth proportional to 790,379.52, 1,185,572.31 and 191,339.70 is: 287,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,379.52 : 1,185,572.31 = 191,339.70 : x
  2. Step 2: Convert to fraction form
    790,379.52/1,185,572.31 = 191,339.70/x
  3. Step 3: Cross multiply
    790,379.52x = 1,185,572.31 × 191,339.70
  4. Step 4: Simplify right side
    790,379.52x = 226,847,050,123.71
  5. Step 5: Solve for x
    x = 226,847,050,123.71/790,379.52
  6. Step 6: Final answer
    x = 287,010.28

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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.