Home / 742,093.50-1,024,089.30-419,796.78

Finding the Fourth Proportional to 742,093.50, 1,024,089.30 and 419,796.78

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Solution

The fourth proportional to 742,093.50, 1,024,089.30 and 419,796.78 is: 579,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,093.50 : 1,024,089.30 = 419,796.78 : x
  2. Step 2: Convert to fraction form
    742,093.50/1,024,089.30 = 419,796.78/x
  3. Step 3: Cross multiply
    742,093.50x = 1,024,089.30 × 419,796.78
  4. Step 4: Simplify right side
    742,093.50x = 429,909,390,572.45
  5. Step 5: Solve for x
    x = 429,909,390,572.45/742,093.50
  6. Step 6: Final answer
    x = 579,319.71

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1.5x scale

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.