Home / 545,945.31-753,402.48-304,225.64

Finding the Fourth Proportional to 545,945.31, 753,402.48 and 304,225.64

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Solution

The fourth proportional to 545,945.31, 753,402.48 and 304,225.64 is: 419,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,945.31 : 753,402.48 = 304,225.64 : x
  2. Step 2: Convert to fraction form
    545,945.31/753,402.48 = 304,225.64/x
  3. Step 3: Cross multiply
    545,945.31x = 753,402.48 × 304,225.64
  4. Step 4: Simplify right side
    545,945.31x = 229,204,347,888.58
  5. Step 5: Solve for x
    x = 229,204,347,888.58/545,945.31
  6. Step 6: Final answer
    x = 419,830.24

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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.