Home / 480,027.51-662,569.92-298,631.25

Finding the Fourth Proportional to 480,027.51, 662,569.92 and 298,631.25

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Solution

The fourth proportional to 480,027.51, 662,569.92 and 298,631.25 is: 412,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,027.51 : 662,569.92 = 298,631.25 : x
  2. Step 2: Convert to fraction form
    480,027.51/662,569.92 = 298,631.25/x
  3. Step 3: Cross multiply
    480,027.51x = 662,569.92 × 298,631.25
  4. Step 4: Simplify right side
    480,027.51x = 197,864,083,422
  5. Step 5: Solve for x
    x = 197,864,083,422/480,027.51
  6. Step 6: Final answer
    x = 412,193.22

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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.