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Finding the Fourth Proportional to 546,797.90, 754,563.48 and 298,430.34

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Solution

The fourth proportional to 546,797.90, 754,563.48 and 298,430.34 is: 411,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,797.90 : 754,563.48 = 298,430.34 : x
  2. Step 2: Convert to fraction form
    546,797.90/754,563.48 = 298,430.34/x
  3. Step 3: Cross multiply
    546,797.90x = 754,563.48 × 298,430.34
  4. Step 4: Simplify right side
    546,797.90x = 225,184,631,939.26
  5. Step 5: Solve for x
    x = 225,184,631,939.26/546,797.90
  6. Step 6: Final answer
    x = 411,824.24

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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.