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Finding the Fourth Proportional to 619,878.90, 929,457.05 and 240,356.24

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Solution

The fourth proportional to 619,878.90, 929,457.05 and 240,356.24 is: 360,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,878.90 : 929,457.05 = 240,356.24 : x
  2. Step 2: Convert to fraction form
    619,878.90/929,457.05 = 240,356.24/x
  3. Step 3: Cross multiply
    619,878.90x = 929,457.05 × 240,356.24
  4. Step 4: Simplify right side
    619,878.90x = 223,400,795,930.43
  5. Step 5: Solve for x
    x = 223,400,795,930.43/619,878.90
  6. Step 6: Final answer
    x = 360,394.26

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1.5x scale

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.