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Finding the Fourth Proportional to 922,559.22, 1,383,830.58 and 291,473

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Solution

The fourth proportional to 922,559.22, 1,383,830.58 and 291,473 is: 437,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,559.22 : 1,383,830.58 = 291,473 : x
  2. Step 2: Convert to fraction form
    922,559.22/1,383,830.58 = 291,473/x
  3. Step 3: Cross multiply
    922,559.22x = 1,383,830.58 × 291,473
  4. Step 4: Simplify right side
    922,559.22x = 403,349,250,644.34
  5. Step 5: Solve for x
    x = 403,349,250,644.34/922,559.22
  6. Step 6: Final answer
    x = 437,206.89

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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.