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Finding the Fourth Proportional to 550,266.60, 759,352.12 and 335,328.24

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Solution

The fourth proportional to 550,266.60, 759,352.12 and 335,328.24 is: 462,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,266.60 : 759,352.12 = 335,328.24 : x
  2. Step 2: Convert to fraction form
    550,266.60/759,352.12 = 335,328.24/x
  3. Step 3: Cross multiply
    550,266.60x = 759,352.12 × 335,328.24
  4. Step 4: Simplify right side
    550,266.60x = 254,632,209,939.87
  5. Step 5: Solve for x
    x = 254,632,209,939.87/550,266.60
  6. Step 6: Final answer
    x = 462,743.35

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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.