Home / 782,572.86-1,174,027.61-242,818.31

Finding the Fourth Proportional to 782,572.86, 1,174,027.61 and 242,818.31

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Solution

The fourth proportional to 782,572.86, 1,174,027.61 and 242,818.31 is: 364,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,572.86 : 1,174,027.61 = 242,818.31 : x
  2. Step 2: Convert to fraction form
    782,572.86/1,174,027.61 = 242,818.31/x
  3. Step 3: Cross multiply
    782,572.86x = 1,174,027.61 × 242,818.31
  4. Step 4: Simplify right side
    782,572.86x = 285,075,403,695.65
  5. Step 5: Solve for x
    x = 285,075,403,695.65/782,572.86
  6. Step 6: Final answer
    x = 364,279.70

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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.