Home / 828,015.21-1,142,667.32-460,497.51

Finding the Fourth Proportional to 828,015.21, 1,142,667.32 and 460,497.51

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Solution

The fourth proportional to 828,015.21, 1,142,667.32 and 460,497.51 is: 635,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,015.21 : 1,142,667.32 = 460,497.51 : x
  2. Step 2: Convert to fraction form
    828,015.21/1,142,667.32 = 460,497.51/x
  3. Step 3: Cross multiply
    828,015.21x = 1,142,667.32 × 460,497.51
  4. Step 4: Simplify right side
    828,015.21x = 526,195,453,315.89
  5. Step 5: Solve for x
    x = 526,195,453,315.89/828,015.21
  6. Step 6: Final answer
    x = 635,490.08

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Double scale
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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.