Home / 742,069.96-1,024,056.87-419,773.18

Finding the Fourth Proportional to 742,069.96, 1,024,056.87 and 419,773.18

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Solution

The fourth proportional to 742,069.96, 1,024,056.87 and 419,773.18 is: 579,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,069.96 : 1,024,056.87 = 419,773.18 : x
  2. Step 2: Convert to fraction form
    742,069.96/1,024,056.87 = 419,773.18/x
  3. Step 3: Cross multiply
    742,069.96x = 1,024,056.87 × 419,773.18
  4. Step 4: Simplify right side
    742,069.96x = 429,871,608,820.75
  5. Step 5: Solve for x
    x = 429,871,608,820.75/742,069.96
  6. Step 6: Final answer
    x = 579,287.17

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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.