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Finding the Fourth Proportional to 583,374.30, 875,061.45 and 443,406.30

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Solution

The fourth proportional to 583,374.30, 875,061.45 and 443,406.30 is: 665,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,374.30 : 875,061.45 = 443,406.30 : x
  2. Step 2: Convert to fraction form
    583,374.30/875,061.45 = 443,406.30/x
  3. Step 3: Cross multiply
    583,374.30x = 875,061.45 × 443,406.30
  4. Step 4: Simplify right side
    583,374.30x = 388,007,759,817.14
  5. Step 5: Solve for x
    x = 388,007,759,817.14/583,374.30
  6. Step 6: Final answer
    x = 665,109.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.