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Finding the Fourth Proportional to 570,992.24, 788,339.04 and 367,134.72

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Solution

The fourth proportional to 570,992.24, 788,339.04 and 367,134.72 is: 506,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,992.24 : 788,339.04 = 367,134.72 : x
  2. Step 2: Convert to fraction form
    570,992.24/788,339.04 = 367,134.72/x
  3. Step 3: Cross multiply
    570,992.24x = 788,339.04 × 367,134.72
  4. Step 4: Simplify right side
    570,992.24x = 289,426,632,715.47
  5. Step 5: Solve for x
    x = 289,426,632,715.47/570,992.24
  6. Step 6: Final answer
    x = 506,883.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.