Home / 540,302.48-745,612.68-298,601.36

Finding the Fourth Proportional to 540,302.48, 745,612.68 and 298,601.36

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Solution

The fourth proportional to 540,302.48, 745,612.68 and 298,601.36 is: 412,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,302.48 : 745,612.68 = 298,601.36 : x
  2. Step 2: Convert to fraction form
    540,302.48/745,612.68 = 298,601.36/x
  3. Step 3: Cross multiply
    540,302.48x = 745,612.68 × 298,601.36
  4. Step 4: Simplify right side
    540,302.48x = 222,640,960,281.25
  5. Step 5: Solve for x
    x = 222,640,960,281.25/540,302.48
  6. Step 6: Final answer
    x = 412,067.26

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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.