Home / 781,573.86-1,171,748.32-308,613.24

Finding the Fourth Proportional to 781,573.86, 1,171,748.32 and 308,613.24

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Solution

The fourth proportional to 781,573.86, 1,171,748.32 and 308,613.24 is: 462,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,573.86 : 1,171,748.32 = 308,613.24 : x
  2. Step 2: Convert to fraction form
    781,573.86/1,171,748.32 = 308,613.24/x
  3. Step 3: Cross multiply
    781,573.86x = 1,171,748.32 × 308,613.24
  4. Step 4: Simplify right side
    781,573.86x = 361,617,045,499.76
  5. Step 5: Solve for x
    x = 361,617,045,499.76/781,573.86
  6. Step 6: Final answer
    x = 462,678.02

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1.5x scale

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.