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Finding the Fourth Proportional to 540,300.48, 745,609.92 and 298,599.36

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Solution

The fourth proportional to 540,300.48, 745,609.92 and 298,599.36 is: 412,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,300.48 : 745,609.92 = 298,599.36 : x
  2. Step 2: Convert to fraction form
    540,300.48/745,609.92 = 298,599.36/x
  3. Step 3: Cross multiply
    540,300.48x = 745,609.92 × 298,599.36
  4. Step 4: Simplify right side
    540,300.48x = 222,638,644,921.65
  5. Step 5: Solve for x
    x = 222,638,644,921.65/540,300.48
  6. Step 6: Final answer
    x = 412,064.50

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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.