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Finding the Fourth Proportional to 604,488.44, 834,313.31 and 346,538.61

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Solution

The fourth proportional to 604,488.44, 834,313.31 and 346,538.61 is: 478,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,488.44 : 834,313.31 = 346,538.61 : x
  2. Step 2: Convert to fraction form
    604,488.44/834,313.31 = 346,538.61/x
  3. Step 3: Cross multiply
    604,488.44x = 834,313.31 × 346,538.61
  4. Step 4: Simplify right side
    604,488.44x = 289,121,773,019.21
  5. Step 5: Solve for x
    x = 289,121,773,019.21/604,488.44
  6. Step 6: Final answer
    x = 478,291.65

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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.